Why Python 3 6 1 throws AttributeError module enum has no attribute IntFlag

Question

I just installed Python 3 6 1 for MacOS X  When I attempt to run the Console or run anything with Python3   this error is thrown     AttributeError  module  enum  has no attribute  IntFlag      Library Frameworks Python framework Versions 3 6 bin python3   Failed to import the site module   Traceback  most recent call last       File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 site py   line 544  in  lt module gt        main       File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 site py   line 530  in main       known paths   addusersitepackages known paths      File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 site py   line 282  in addusersitepackages       user site   getusersitepackages       File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 site py   line 258  in getusersitepackages       user base   getuserbase     this will also set USER BASE     File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 site py   line 248  in getuserbase       USER BASE   get config var  userbase       File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 sysconfig py   line 601  in get config var       return get config vars   get name      File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 sysconfig py   line 580  in get config vars       import  osx support     File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6  osx support py   line 4  in  lt module gt        import re     File   usr local Cellar python3 3 6 1 Frameworks Python framework Versions 3 6 lib python3 6 re py   line 142  in  lt module gt        class RegexFlag enum IntFlag     AttributeError  module  enum  has no attribute  IntFlag      The class IntFlag exists within enum py  So  why is the AttributeError being thrown

User · Answer

When ever I got this problem       AttributeError  module  enum  has no attribute  IntFlag    simply first i run the command    unset PYTHONPATH    and then run my desired command then got success in that

User · Answer

Even I had this issue while running python -m grpc tools protoc --version  Had to set the PYTHONPATH till site-packages and shutdown all the command prompt windows and it worked  Hope it helps for gRPC users

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If anyone coming here because of getting this error while running a google app engine Python 3 7 standard environment  project in PyCharm then all you need to do is   Make sure the configuration to run is for Flask  not Google App Engine configuration  Then disable Google App Engine support under Preferences    Languages  amp  Framework    Google App Engine   The reason being as per this link      The overall goal is that your app should be fully portable and run in any standard Python environment  You write a standard Python app  not an App Engine Python app  As part of this shift  you are no longer required to use proprietary App Engine APIs and services for your app s core functionality  At this time  App Engine APIs are not available in the Python 3 7 runtime    I guess when we create a python 3 7 project in PyCharm as a Google app engine project it still tries to do the same way it does for a python2 7 app

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For me this error occured after installing of gcloud component app-engine-python in order to integrate into pycharm  Uninstalling the module helped  even if pycharm is now not uploading to app-engine

User · Answer

It s because your enum is not the standard library enum module  You probably have the package enum34 installed    One way check if this is the case is to inspect the property enum   file    import enum print enum   file        standard library location should be something like     usr local lib python3 6 enum py   Since python 3 6 the enum34 library is no longer compatible with the standard library  The library is also unnecessary  so you can simply uninstall it   pip uninstall -y enum34   If you need the code to run on python versions both  lt  3 4 and  3 4  you can try having enum-compat as a requirement  It only installs enum34 for older versions of python without the standard library enum

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If you having this issue when running tests in PyCharm  make sure the second box is unchecked in the configurations

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If anyone is having this problem when trying to run Jupyter kernel from a virtualenv  just add correct PYTHONPATH to kernel json of your virtualenv kernel  Python 3 in example        argv         usr local Cellar python 3 6 5 bin python3 6      -m      ipykernel launcher      -f       connection file         display name    Python 3  TensorFlow      language    python     env           PYTHONPATH         Users dimitrijer git mlai  venv lib python3 6  Users dimitrijer git mlai  venv lib python3 6 lib-dynload  usr local Cellar python 3 6 5 Frameworks Python framework Versions 3 6 lib python3 6  Users dimitrijer git mlai  venv lib python3 6 site-packages

User · Answer

I got this issue while installing transformers library from HuggingFace  It was due to the fact package enum34 was installed in my environment which was overriding built-in enum in Python  This package was probably installed by something as for forward compatibility which is no longer needed with Python 3 6   So the solution is simply  pip uninstall -y enum34

User · Answer

I had this problem in ubuntu20 04 in jupyterlab in my virtual env kernel with python3 8 and tensorflow 2 2 0  Error message was  Traceback  most recent call last     File  quot  usr lib python2 7 runpy py quot   line 174  in  run module as main      quot   main   quot   fname  loader  pkg name    File  quot  usr lib python2 7 runpy py quot   line 72  in  run code     exec code in run globals   File  quot  home hu-mka  local lib python2 7 site-packages ipykernel launcher py quot   line 15  in  lt module gt      from ipykernel import kernelapp as app   File  quot  home hu-mka  local lib python2 7 site-packages ipykernel   init   py quot   line 2  in  lt module gt      from  connect import     File  quot  home hu-mka  local lib python2 7 site-packages ipykernel connect py quot   line 13  in  lt module gt      from IPython core profiledir import ProfileDir   File  quot  home hu-mka  local lib python2 7 site-packages IPython   init   py quot   line 48  in  lt module gt      from  core application import Application   File  quot  home hu-mka  local lib python2 7 site-packages IPython core application py quot   line 23  in  lt module gt      from traitlets config application import Application  catch config error   File  quot  home hu-mka  local lib python2 7 site-packages traitlets   init   py quot   line 1  in  lt module gt      from  traitlets import     File  quot  home hu-mka  local lib python2 7 site-packages traitlets traitlets py quot   line 49  in  lt module gt      import enum ImportError  No module named enum  problem was that in symbolic link in  usr bin python was pointing to python2  Solution  cd  usr bin  sudo ln -sf python3 python  Hopefully Python 2 usage will drop off completely soon

User · Answer

In case you have to keep PYTHONPATH for both python2 and python3  you can write alias statements to set the proper PYTHONPATH in your bash profile   Hardcode your PYTHONPATH2  and PYTHONPATH3 variables in your    bash profile  and add the following aliases at the end of it   alias python  export PYTHONPATH   PYTHONPATH2  python  alias python3  export PYTHONPATH   PYTHONPATH3  python3    My python  refers to python2  as I use python2 more often

User · Answer

Installing version 1 1 8 of enum34 worked for me      I was able to fix this by adding enum34      1 1 8  to pyproject toml    Apparently enum34 had a feature in v1 1 8 that avoided this error  but   this regressed in v1 1 9   This is just a workaround though  The   better solution would be for packages to use environment markers so   you don t have to install enum34 at all unless needed    Source  https   github com python-poetry poetry issues 1122

User · Answer

I did by using pip install  lt required-library gt  --ignore-installed enum34 Once your required library is installed  look for warnings during the build  I got an Error like this  Using legacy setup py install for future  since package  wheel  is not installed ERROR  pyejabberd 0 2 11 has requirement enum34  1 1 2  but you ll have enum34 1 1 10 which is incompatible  To fix this issue now run the command  pip freeze   grep enum34  This will give you the version of the installed enum34  Now uninstall it by pip uninstall enum34 and reinstall the required version as  pip install  quot enum34  1 1 20 quot

User · Answer

H  ken Lid s answer helped solved my problem  thanks     in my case present in Python3 7 running Flask in a Docker container  FROM tiangolo uwsgi-nginx-flask python3 7-alpine3 7    In my case  enum34 was being installed by another library  pip install smartsheet-python-sdk   For those coming with a similar Docker container problem  here is my final Dockerfile  stripped to the relevant lines    FROM tiangolo uwsgi-nginx-flask python3 7-alpine3 7     RUN pip install -r requirements txt RUN pip uninstall -y enum34

User · Answer

I have Python 2 and Python 3 installed on my computer  For some strange reason I have in the sys path of Python 3 also a path to the sitepackage library directory of Python2 when the re module is called  If I run Python 3 and import enum and print enum   file    the system does not show this Python 2 path to site-packages  So a very rough and dirty hack is  to directly modify the module in which enum is imported  follow the traceback paths  and insert the following code just before importing enum   import sys for i  p in enumerate sys path       if  python27  in p lower   or  python2 7  in p lower    sys path pop i  import enum   That solved my problem

User · Answer

Disabling  Google App Engine Support  in pycharm preferences fixed this issue for me

User · Answer

Not sure whether you still have this issue  I had a similar issue and I was able to resolve it simply by unsetting PYTHONPATH    unset PYTHONPATH

User · Answer

DISCLAIMER  Please   juanpa arrivillaga  if you see this answer  feel free to write your own and I will remove this post    juanpa arrivillaga had mentioned above      Is there a file name enum py in your working directory  by any chance    This was the issue I encountered  I was not aware of the enum module on python at the time and had named my test file enum py   Since the file name is the module name  there was a conflict  More info on modules here  https   docs python org 2 tutorial modules html

User · Answer

Unfortunately none of the suggestions helped me  but after some more googling this pip install aenum  solved it for me

[python] Why Python 3.6.1 throws AttributeError: module 'enum' has no attribute 'IntFlag'?

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