No module named - Feb 7, 2018 · Second, the operation of trying to install Python 2.7 makes no sense, as this is the default Python version in CentOS 7. As you have guessed by now, many programs depend on it, and that's why when you install/overwritten it through manual compilation, yum was broken - because your "custom" Python 2.7 installation is missing Python modules ...

 
from _bz2 import BZ2Compressor, BZ2Decompressor ModuleNotFoundError: No module named '_bz2' installed 3.9.1 $ pyenv install --list $ pyenv install 3.9.1 $ pyenv local 3.9.1 $ pyenv global 3.9.1 $ pip install pandas. Psychology exam 1 chapters 1 4

ModuleNotFoundError: No module named 'zmq' But pip install zmq or pip install pyzmq kept telling me I had a version already installed, ...ModuleNotFoundError: No module named 'app.model' 0. Python import ModuleNotFoundError: No module named 'model' 2. ModuleNotFoundError: No module named 'modeling' 1.TF-Slim is available as tf.contrib.slim via TensorFlow 1.0, so you don't need to install it additionally if you used pip install tensorflow.You still need to do these 3 things:How to solve ModuleNotFoundError: No module named 'app' 1. Python ModuleNotFoundError: No Module named 'app' 1. flask run Error: Could Not Import "App" and "App.py" 7.May 7, 2020 · import xmltodict ModuleNotFoundError: No module named 'xmltodict'. I tried: pip install xmltodict but got this result: C:\Users\user>pip install xmltodict Requirement already satisfied: xmltodict in c:\users\user\anaconda3\lib\site-packages (0.12.0) python. xml. anaconda3. import mysql.connector ModuleNotFoundError: No module named 'mysql.connector'; 'mysql' is not a package. 1. How to fix: no module named 'mysql' 0.You have a file html.py (or html.pyc) somewhere in your Python path: $ touch html.py $ python3 -c 'import html.parser' Traceback (most recent call last): File "<frozen importlib._bootstrap>", line 2218, in _find_and_load_unlocked AttributeError: 'module' object has no attribute '__path__' During handling of the above exception, another exception occurred: Traceback (most recent call last ...Aug 9, 2012 · ModuleNotFoundError: No module named 'zmq' But pip install zmq or pip install pyzmq kept telling me I had a version already installed, ... May 2, 2020 · 2. You are running scala code in python. To import machine learning libraries in pyspark use.. import pyspark.ml.*. Or just replace org.apache.spark to pyspark. Hope it helps. Share. Improve this answer. Follow. I just had the same problem, try using pyttsx3 instead of pyttsx First install pyttsx3. pip install pyttsx3 and change the. import pyttsx for. import pyttsx3 After that you have to change engine import (if you're using it in your main .py file).To explain: On Python 2, the module is named Queue, on Python 3, it was renamed to follow PEP8 guidelines (all lowercase for module names), making it queue. The class remains Queue on all versions (following PEP8). @Jean-FrançoisFabre: Unfortunately, the problem described there is best answered by the accepted answer.Nov 2, 2021 · Traceback (most recent call last): File "XXX", line 7, in <module> from crypt import AESCipher File "XXX", line 3, in <module> from cryptodomex import Random ModuleNotFoundError: No module named 'cryptodomex' Process finished with exit code 1 Here is my code: from cryptodomex import Random from cryptodomex.Cipher import AES After installing pywin32. Steps to correctly install your module (pywin32) First search where is your python pip is present. 1a. For Example in my case location of pip - C:\Users\username\AppData\Local\Programs\Python\Python36-32\Scripts. Then open your command prompt and change directory to your pip folder location. Sorted by: 1. Seems to be an issue with the latest tensorflow==2.8.0. git issue. For now, you can revert back to the older version of tensorflow. pip install tensorflow==2.7. And upgrade imageAI : pip install imageai --upgrade. Share. Improve this answer.7 Answers. First of all, Make sure your Python file is NOT called plotly.py but something else. If you are using Anaconda, open Anaconda Navigator and launch cmd prompt (cmd.exe) from there. Then run pip install plotly or conda install -c plotly from that terminal window.import mysql.connector ModuleNotFoundError: No module named 'mysql.connector'; 'mysql' is not a package. 1. How to fix: no module named 'mysql' 0.3 I've installed the pyTelegramBotAPI using pip install pyTelegramBotAPI. I've imported the telebot package to use the API. But when I want to run my program, it says: No module named 'telebot'. The entire error message is: (...file path...)7 Answers. First of all, Make sure your Python file is NOT called plotly.py but something else. If you are using Anaconda, open Anaconda Navigator and launch cmd prompt (cmd.exe) from there. Then run pip install plotly or conda install -c plotly from that terminal window. Use the following command. pip3 install numpy You will get the following response. You see the location. Use the following as PATH as per direction explained in the previous post.Dec 17, 2020 · Download get-pip.py to a folder on your computer. Open a command prompt and navigate to the folder containing the get-pip.py installer. Run the following command: python get-pip.py. 4-) Verify Installation and Check the Pip Version: pip -V. Share. In order to get pip install cffi to succeed with no errors, I had to install gcc and libffi-devel from the EL5 repos. From there, I was able to instantiate an FFI instance with no problems: >>> from cffi import FFI >>> ffi = FFI () >>>. Here's the output of pip freeze, for reference:Sep 12, 2022 · 1. Make sure imported modules are installed Take for example, numpy. You use this module in your code in a file called "test.py" like this: import numpy as np arr = np.array([1, 2, 3]) print(arr) If you try to run this code with python test.py and you get this error: ModuleNotFoundError: No module named "numpy" Oct 2, 2017 · I think the problem has to do with setting up the python environment. I'm sure my solution was not the most elegant but it got the setup working! First I ran the following (instead of his last command in step 4) sudo pip3 install --upgrade google-assistant-library. Then in step 6 I ran the following commands in place of the corresponding ... Aug 6, 2022 · I have python program that imports schedule (import schedule) at the beginning. The code executes without a problem with python3 command, but starting it from other python file with call(&quot;sudo 9. you need to add dot. from .models import CustomUser # ^^^. o best way use app_name. from custom_user.models import CustomUser. and for your second error, you can simple add empty exclude to the Meta: class CustomUserChangeForm (UserChangeForm): def __init__ (self, *args, **kargs): super (CustomUserChangeForm, self).__init__ (*args, **kargs ...import mysql.connector ModuleNotFoundError: No module named 'mysql.connector'; 'mysql' is not a package. 1. How to fix: no module named 'mysql' 0.15.9k 14 50 76. Add a comment. 21. If you are getting ModuleNotFoundError: No module named ... errors and you: call PyInstaller from a directory other than your main script's directory. use relative imports in your script. then your executable can have trouble finding the relative imports. This can be fixed by:when "no module named yum" happen, you should re-install the proper python & yum rpm package manually, for instance : rpm -i python*.rpm. rpm -i yum*.rpm. Share. Improve this answer. Follow. edited Jun 20, 2020 at 9:12. Mar 24, 2019 at 19:39. Add a comment. 5. On Ubuntu, you can install the opencv depends like: sudo apt-get install python-opencv. or install it with pip ( pyhon package management tools ): pip install opencv-python. Refer to similar questions OpenCV - cannot find module cv2. Share. 我下载了basicsr,但也显示ModuleNotFoundError: No module named 'basicsr.version' 你的pip install basicsr或者python setup.py develop任何一个都没有跑. 我已安装basicsr,setuo.py develop 也运行了How to resolve ModuleNotFoundError: No module named 'google.colab' 0. Google Colab, module not found when running python script. 1. Why module cannot be found in ...ModuleNotFoundError: No module named 'typing_extensions' 0 ModuleNotFoundError: No module named <name-of-module> 0 ...May 7, 2020 · import xmltodict ModuleNotFoundError: No module named 'xmltodict'. I tried: pip install xmltodict but got this result: C:\Users\user>pip install xmltodict Requirement already satisfied: xmltodict in c:\users\user\anaconda3\lib\site-packages (0.12.0) python. xml. anaconda3. Tried to installed module using pip but getting below error? Can any one help. My machine is OEL7 (my_env) [root@TestBed pyenv]# pip3 install psutil Collecting psutil Using cached psutil-5.7.2.ta...Aug 4, 2019 · Django Wsgi ModuleNotFoundError: No module named 'project_name' Hot Network Questions Implicit Models and Probability - are degrees of belief/truth/existence a complete free-for-all? ModuleNotFoundError: No module named <name-of-module> 0. ModuleNotFoundError: No module named XXX. 1. ModuleNotFoundError: No module named. Hot Network QuestionsI just had the same problem, try using pyttsx3 instead of pyttsx First install pyttsx3. pip install pyttsx3 and change the. import pyttsx for. import pyttsx3 After that you have to change engine import (if you're using it in your main .py file).How to resolve ModuleNotFoundError: No module named 'google.colab' 0. Google Colab, module not found when running python script. 1. Why module cannot be found in ...no module named lib lib was imported in my_test.py. i printed sys.path and figured out that path of project i am working on is not available in sys.path list. i added below code at the start of my script my_test.py.Tried to installed module using pip but getting below error? Can any one help. My machine is OEL7 (my_env) [root@TestBed pyenv]# pip3 install psutil Collecting psutil Using cached psutil-5.7.2.ta...May 22, 2021 · First of all, make sure that you have Python Added to your PATH (can be checked by entering python in command prompt). Follow these steps to install numpy in Windows –. Firstly, Open Command Prompt from the Start Menu. Enter the command pip install numpy and press Enter. Wait for the installation to finish. ModuleNotFoundError: No module named 'typing_extensions' 0 ModuleNotFoundError: No module named <name-of-module> 0 ...Aug 9, 2012 · ModuleNotFoundError: No module named 'zmq' But pip install zmq or pip install pyzmq kept telling me I had a version already installed, ... 15.9k 14 50 76. Add a comment. 21. If you are getting ModuleNotFoundError: No module named ... errors and you: call PyInstaller from a directory other than your main script's directory. use relative imports in your script. then your executable can have trouble finding the relative imports. This can be fixed by: Jul 1, 2016 · Hi donyor, I think I've fixed this problem with the following comment from the tutorial: "I'm a noob so my terminology might not be correct but basically it nests the settings.py and urls.py for the app inside a folder within the app of the same name. Dec 15, 2017 · open anaconda prompt (go to start and search anaconda prompt) type the following command on prompt. conda install -c anaconda dateutil. if you are using python 3.x version. pip3 install python-dateutil. if you are using python 2 version. pip2 install python-dateutil. Jul 10, 2022 · import mysql.connector ModuleNotFoundError: No module named 'mysql.connector'; 'mysql' is not a package. 1. How to fix: no module named 'mysql' 0. The venv is ony available in python 3 version. If you are using python 2 then try to use virtualenv instead of venv. 1. Install virtualenv, python -m pip install virtualenv. 2. Create a virtual environment named venv using virtualenv, Python 2. python -m virtualenv venv.ImportError: No module named ruamel.yaml. It turned out that the pip binary wasn't part of my conda env and was installing cwltool into a completely separate location. To resolve the issue I completed the following: conda activate <env I want to install cwltool into> conda install -y pip # Run 'rehash' now if you're using zsh to ensure you're ... Mar 20, 2013 · no module named lib lib was imported in my_test.py. i printed sys.path and figured out that path of project i am working on is not available in sys.path list. i added below code at the start of my script my_test.py. In order to get pip install cffi to succeed with no errors, I had to install gcc and libffi-devel from the EL5 repos. From there, I was able to instantiate an FFI instance with no problems: >>> from cffi import FFI >>> ffi = FFI () >>>. Here's the output of pip freeze, for reference:python >>> import lzma ModuleNotFoundError: No module named '_lzma' I have installed all of the following packages: brew install openssl readline sqlite3 xz zlib xcode-select --install Only caveat is that homebrew installs packages to ~/.brew. Any input is appreciated.Any command that starts with pip have the same error, ImportError: No module named 'typing'. Finally, python -m pip install typing solved it. Share. Improve this answer.I have the following programs installed python 2.7 installed Numpy-1.6.2-python2.7 Matplotlib-1.1.1-py2.7 I believe numpy has been installed properly because when I type import numpy in python Apr 27, 2021 · Any command that starts with pip have the same error, ImportError: No module named 'typing'. Finally, python -m pip install typing solved it. Share. Improve this answer. Jan 11, 2020 · python >>> import lzma ModuleNotFoundError: No module named '_lzma' I have installed all of the following packages: brew install openssl readline sqlite3 xz zlib xcode-select --install Only caveat is that homebrew installs packages to ~/.brew. Any input is appreciated. I have the following programs installed python 2.7 installed Numpy-1.6.2-python2.7 Matplotlib-1.1.1-py2.7 I believe numpy has been installed properly because when I type import numpy in pythonTeams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about TeamsMar 6, 2022 · No module named gi. pip install pgi , pip install PyGObject , pip install python-gi. Still not able to install the module in python . Installed python 3.7 also try to make a virtual environment but not able to install the module . #import cv2 import gi import numpy as np gi.require_version ('Gst', '1.0') from gi.repository import Gst. Check the path and if module is recognized in the .py. create a test.py containing this: import sys print (sys.executable) print (sys.path) import win32clipboard print (win32clipboard.__file__) If the version in cmd is ok but not in .py it's because the default program associated with .py isn't the right one.pip3 install numpy" results in "Requirement already satisfied: numpy in c:\users\peter\appdata\local\programs\python\python36-32\lib\site-packages". You'd expect python's "import numpy" would be able to find it, but no. ModuleNotFoundError: No module named 'numpy' So this answer may work in some narrow context, but not in general.Jan 23, 2021 · ModuleNotFoundError: No module named 'google.cloud' 1. No module named 'google.cloud' Dockerfile python. 1. unable to import module on GCP VM instance. 0. pyserial: No module named tools. I have installed the latest pySerial on my Ubuntu box with python 2.7.2, and it works fine for most things, but whenever I try to import the 'tools' package, it says that it can't find 'tools'. The documentation for pySerial explicitly references this 'tools' package. >>> from serial import tools Traceback (most ...Jan 11, 2020 · python >>> import lzma ModuleNotFoundError: No module named '_lzma' I have installed all of the following packages: brew install openssl readline sqlite3 xz zlib xcode-select --install Only caveat is that homebrew installs packages to ~/.brew. Any input is appreciated. Note. If the accepted answer doesn't work, then this answer might help. The Cause. According to the official thread on GitHub, this problem happens when there is a change in the python version.ImportError: No module named PIL Also, I tried: import Image it gives me: ImportError: No module named Image Help is really appreciated! python; python-imaging-library;1. Make sure imported modules are installed Take for example, numpy. You use this module in your code in a file called "test.py" like this: import numpy as np arr = np.array([1, 2, 3]) print(arr) If you try to run this code with python test.py and you get this error: ModuleNotFoundError: No module named "numpy"Apr 30, 2018 · Python: ModuleNotFoundError: No module named 'sklearn.linear_model' Hot Network Questions Sci-fi story involving telescopic technology that could reach out into space and view the universe from remote locations May 5, 2017 · Working on VSCode under Windows and I had this issue ModuleNotFoundError: No module named 'selenium', none of the solutions worked for me. Finally, I figured out that Python was installed twice: From the Windows store which will reside under : C:\Users\<user>\AppData\Local\Microsoft\Python In order to get pip install cffi to succeed with no errors, I had to install gcc and libffi-devel from the EL5 repos. From there, I was able to instantiate an FFI instance with no problems: >>> from cffi import FFI >>> ffi = FFI () >>>. Here's the output of pip freeze, for reference:Dec 19, 2020 · ModuleNotFoundError: No module named <name-of-module> 0. ModuleNotFoundError: No module named XXX. 1. ModuleNotFoundError: No module named. Hot Network Questions May 7, 2020 · import xmltodict ModuleNotFoundError: No module named 'xmltodict'. I tried: pip install xmltodict but got this result: C:\Users\user>pip install xmltodict Requirement already satisfied: xmltodict in c:\users\user\anaconda3\lib\site-packages (0.12.0) python. xml. anaconda3. Traceback (most recent call last): File "XXX", line 7, in <module> from crypt import AESCipher File "XXX", line 3, in <module> from cryptodomex import Random ModuleNotFoundError: No module named 'cryptodomex' Process finished with exit code 1 Here is my code: from cryptodomex import Random from cryptodomex.Cipher import AESIn order to get pip install cffi to succeed with no errors, I had to install gcc and libffi-devel from the EL5 repos. From there, I was able to instantiate an FFI instance with no problems: >>> from cffi import FFI >>> ffi = FFI () >>>. Here's the output of pip freeze, for reference:The root cause is that your installation is lack of the list of library dependency. step 1: run sudo apt install python3-dev libxml2-dev libxslt1-dev libldap2-dev libsasl2-dev \ libtiff5-dev libjpeg8-dev libopenjp2-7-dev zlib1g-dev libfreetype6-dev \ liblcms2-dev libwebp-dev libharfbuzz-dev libfribidi-dev libxcb1-dev libpq-dev18. On some kind of Linux, like distributions based on Debian, you might want to consider updating your ' apt-get ' first, in case you are installing python-pip through it. sudo apt-get update. This might help apt-get to update its indexes and locate the python-pip package. After this, you might install pip like this:Add a comment. 6. Alright, I found a fix. To fix the issue, I uninstalled PIL and Pillow through sudo pip3 uninstall pillow and sudo apt-get purge python3-pil. I then restarted and then used sudo -H pip3 install pillow to reinstall Pillow. The only step I was missing before was rebooting, and not reinstalling PIL afterwards.In conclusion, when facing the "ModuleNotFoundError: No module named" error: Verify the module name. Ensure the correct module path. Check File Extension; Install the required libraries. Check if the library supports the module. Check PYTHONPATH; Check Pip Version Mismatch; Use Python 3 if Python 2 is incompatible.Mar 24, 2019 at 19:39. Add a comment. 5. On Ubuntu, you can install the opencv depends like: sudo apt-get install python-opencv. or install it with pip ( pyhon package management tools ): pip install opencv-python. Refer to similar questions OpenCV - cannot find module cv2. Share. After installing pywin32. Steps to correctly install your module (pywin32) First search where is your python pip is present. 1a. For Example in my case location of pip - C:\Users\username\AppData\Local\Programs\Python\Python36-32\Scripts. Then open your command prompt and change directory to your pip folder location. ImportError: No module named json. While installing a c++ library I ran into a Python problem (and I do not know nothing about this language). While running some Python code the shell gives me the following error: Traceback (most recent call last): File "C:\C++_libraries\v8\tools\dev\v8gen.py", line 54, in <module> import mb File "C:\C++ ...Feb 7, 2018 · Second, the operation of trying to install Python 2.7 makes no sense, as this is the default Python version in CentOS 7. As you have guessed by now, many programs depend on it, and that's why when you install/overwritten it through manual compilation, yum was broken - because your "custom" Python 2.7 installation is missing Python modules ... Since I have the path to my Python.exe added to the list of default paths, I don’t have to manually navigate to it. If you were confused about any step in this process, head over to the Python setup guide where it’s discussed in detail.ImportError: No module named ruamel.yaml. It turned out that the pip binary wasn't part of my conda env and was installing cwltool into a completely separate location. To resolve the issue I completed the following: conda activate <env I want to install cwltool into> conda install -y pip # Run 'rehash' now if you're using zsh to ensure you're ...pip3 install numpy" results in "Requirement already satisfied: numpy in c:\users\peter\appdata\local\programs\python\python36-32\lib\site-packages". You'd expect python's "import numpy" would be able to find it, but no. ModuleNotFoundError: No module named 'numpy' So this answer may work in some narrow context, but not in general.I have added a validators library to my google app engine by manually adding the code to a folder lib/validators. Then in my code I added this line from validators.utils import ValidationFailure ...5. Try the follwoing: 1. uninstall python-yaml and its dependencies. $ sudo apt-get remove python3-yaml $ sudo apt-get remove --auto-remove python3-yaml. Purging your config/data too. $ sudo apt-get purge python3-yaml $ sudo apt-get purge --auto-remove python3-yaml. Install pyyaml. Add a comment. 6. Alright, I found a fix. To fix the issue, I uninstalled PIL and Pillow through sudo pip3 uninstall pillow and sudo apt-get purge python3-pil. I then restarted and then used sudo -H pip3 install pillow to reinstall Pillow. The only step I was missing before was rebooting, and not reinstalling PIL afterwards.

Aug 22, 2022 · Use the following command. pip3 install numpy You will get the following response. You see the location. Use the following as PATH as per direction explained in the previous post. . Wd 4

no module named

7 Answers. First of all, Make sure your Python file is NOT called plotly.py but something else. If you are using Anaconda, open Anaconda Navigator and launch cmd prompt (cmd.exe) from there. Then run pip install plotly or conda install -c plotly from that terminal window. Aug 22, 2022 · Use the following command. pip3 install numpy You will get the following response. You see the location. Use the following as PATH as per direction explained in the previous post. No module named osgeo.ogr. Ask Question Asked 8 years, 4 months ago. Modified 3 years, 3 months ago. Viewed 30k times 10 I need to import ...Add any libraries installed in the "lib" folder. vendor.add ('lib') Step 2: create a directory and name it "lib" under root directory of project. step 3: use pip install -t lib requests. step 4 : deploy to app engine. Share.Solution. It was a combination of two answers below, plus a bug report online. apt-get install software-properties-common add-apt-repository cloud-archive:mitaka apt-get update && apt-get dist-upgrade sudo apt-get install python3-pymysql import pymysql. python. mysql. ModuleNotFoundError: No module named 'http.server'; 'http' is not a package I have 2 files in my project directory: http.py and index.html. Here is the http.py:1. Make sure imported modules are installed Take for example, numpy. You use this module in your code in a file called "test.py" like this: import numpy as np arr = np.array([1, 2, 3]) print(arr) If you try to run this code with python test.py and you get this error: ModuleNotFoundError: No module named "numpy"Any command that starts with pip have the same error, ImportError: No module named 'typing'. Finally, python -m pip install typing solved it. Share. Improve this answer.Mar 13, 2018 · Add a comment. 6. Alright, I found a fix. To fix the issue, I uninstalled PIL and Pillow through sudo pip3 uninstall pillow and sudo apt-get purge python3-pil. I then restarted and then used sudo -H pip3 install pillow to reinstall Pillow. The only step I was missing before was rebooting, and not reinstalling PIL afterwards. Had the same issue, solved with the following steps: check python version with command: $ python --version. if version is python 2.7, use: $ sudo pip2 install <package_name>. of if the python version 3 is installed, use pip3 instead of pip2. Share. Follow. answered Jul 7, 2022 at 8:43.Add a comment. 6. Alright, I found a fix. To fix the issue, I uninstalled PIL and Pillow through sudo pip3 uninstall pillow and sudo apt-get purge python3-pil. I then restarted and then used sudo -H pip3 install pillow to reinstall Pillow. The only step I was missing before was rebooting, and not reinstalling PIL afterwards.1. Make sure imported modules are installed Take for example, numpy. You use this module in your code in a file called "test.py" like this: import numpy as np arr = np.array([1, 2, 3]) print(arr) If you try to run this code with python test.py and you get this error: ModuleNotFoundError: No module named "numpy"Jan 17, 2022 · This is traceback from the command line: Traceback (most recent call last): File "myscript.py", line 1, in <module> import mysql.connector ModuleNotFoundError: No module named 'mysql' [8428] Failed to execute script 'myscript' due to unhandled exception! The command to create the exe: pyinstaller --onefile --console CoinVolumes.py. Oct 2, 2017 · I think the problem has to do with setting up the python environment. I'm sure my solution was not the most elegant but it got the setup working! First I ran the following (instead of his last command in step 4) sudo pip3 install --upgrade google-assistant-library. Then in step 6 I ran the following commands in place of the corresponding ... Sorted by: 1. Seems to be an issue with the latest tensorflow==2.8.0. git issue. For now, you can revert back to the older version of tensorflow. pip install tensorflow==2.7. And upgrade imageAI : pip install imageai --upgrade. Share. Improve this answer.Apr 15, 2018 · 1. @endolith Once you've done that, run which python / which python3. If nothing turns up, reboot your machine, then reinstall python 2/3 using apt-get install <package name>. Finally, if you run in to something unexpected, run find / -iname python* (you'll probably need sudo permissions for these commands). 1. @endolith Once you've done that, run which python / which python3. If nothing turns up, reboot your machine, then reinstall python 2/3 using apt-get install <package name>. Finally, if you run in to something unexpected, run find / -iname python* (you'll probably need sudo permissions for these commands).Mar 20, 2013 · no module named lib lib was imported in my_test.py. i printed sys.path and figured out that path of project i am working on is not available in sys.path list. i added below code at the start of my script my_test.py. import error: 'No module named' *does* exist Ask Question Asked 9 years, 4 months ago Modified 1 year, 2 months ago Viewed 316k times 80 I am getting this stack trace when I start pyramid pserve: .

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