[Linux, 1.1.0a3, Python3.6] X is not a supported wheel on this platform.

• I am on the latest Poetry version.
• I have searched the issues of this repo and believe that this is not a duplicate.
• If an exception occurs when executing a command, I executed it again in debug mode (-vvv option).

• OS version and name: Linux; Docker python:3.6 image
• Poetry version: 1.1.0a3
• Link of a Gist with the contents of your pyproject.toml file: https://github.com/scoiatael/poetry-grpcio-issue/blob/master/pyproject.toml

Problem with installation of grpcio on Python 3.6 with Poetry 1.1.0a3

First of all looks like faster installation in 1.1 will be a great feature, can’t wait to have it on stable 😃

However when I tried using that feature to speed up our Docker build I encountered a problem with installation of grpcio on python 3.6 (works on 3.8 fine, also works with Poetry 1.0.9 on both Python versions):

Command ['/root/.cache/pypoetry/virtualenvs/poetry-grpcio-issue-o9msT97p-py3.6/bin/python', '-m', 'pip', 'install', '--no-deps', '/root/.cache/pypoetry/artifacts/e4/1a/fb/cc14443ebcdd3b0d5df7ca7fbffdc7d9343564703a67906925174cd179/grpcio-1.30.0-cp36-cp36m-manylinux2010_x86_64.whl'] errored with the following return code 1, and output:
  grpcio-1.30.0-cp36-cp36m-manylinux2010_x86_64.whl is not a supported wheel on this platform.
  You are using pip version 18.1, however version 20.2b1 is available.
  You should consider upgrading via the 'pip install --upgrade pip' command.


  at /usr/local/lib/python3.6/site-packages/poetry/utils/env.py:937 in _run
       933│                 output = subprocess.check_output(
       934│                     cmd, stderr=subprocess.STDOUT, **kwargs
       935│                 )
       936│         except CalledProcessError as e:
    →  937│             raise EnvCommandError(e, input=input_)
       938│
       939│         return decode(output)
       940│
       941│     def execute(self, bin, *args, **kwargs):

You can find minimal working example here.

Cheers!

[amjltc295]

I got a similar error:

  EnvCommandError

  Command ['/Users/allen.c/Library/Caches/pypoetry/virtualenvs/app-6aZ328yD-py3.8/bin/pip', 'install', '--no-deps', '-U', '/Users/allen.c/Library/Caches/pypoetry/artifacts/cd/11/54/fd481eec49cddc06876e526483e7ee8675d0910fed2aa7668a9fc88e62/MarkupSafe-2.0.1-cp38-cp38-mac
osx_10_9_x86_64.whl'] errored with the following return code 1, and output:
  ERROR: MarkupSafe-2.0.1-cp38-cp38-macosx_10_9_x86_64.whl is not a supported wheel on this platform.
  WARNING: You are using pip version 20.2.2; however, version 21.1.2 is available.
  You should consider upgrading via the '/Users/allen.c/Library/Caches/pypoetry/virtualenvs/app-6aZ328yD-py3.8/bin/python -m pip install --upgrade pip' command.

That pip version was a warning and I ignored it. However, at the end I fixed the problem by running what it says

/Users/allen.c/Library/Caches/pypoetry/virtualenvs/app-6aZ328yD-py3.8/bin/python -m pip install --upgrade pip

[luksfarris]

I’ve just had this exact issue installing cryptography==35.0.0 with poetry==1.1.9 and pip==19.3.1. Updating to poetry==1.1.11 and pip==21.2.4 solved it for me.