Installation issue: py-pip in environments not working... #29237
Description
Steps to reproduce the issue
So, some packages have explicit pip-dependencies. Now, in a view, this pip does not properly get linked into the fs-hierarchy and thus it's broken, because it's somehow using the python-provided pip partly, which usually is not compatible...
Error message
myhost $ ls -l myviev/lib/python3.8/site-packages/
lrwxrwxrwx 1 181 Feb 26 11:47 __init__.py -> /home/private_software/spack_21Q4/opt/spack/linux-debian10-skylake_avx512/gcc-8.5.0/python-3.8.8-ssvtjfeasmu7dnxoobltatu7pqdxszlj/lib/python3.8/site-packages/pip/__init__.py
drwx------ 16 26 Feb 26 11:47 _internal
lrwxrwxrwx 1 181 Feb 26 11:47 __main__.py -> /home/private_software/spack_21Q4/opt/spack/linux-debian10-skylake_avx512/gcc-8.5.0/python-3.8.8-ssvtjfeasmu7dnxoobltatu7pqdxszlj/lib/python3.8/site-packages/pip/__main__.py
drwx------ 2 4 Feb 26 11:47 __pycache__
lrwxrwxrwx 1 179 Feb 26 11:47 py.typed -> /home/private_software/spack_21Q4/opt/spack/linux-debian10-skylake_avx512/gcc-8.5.0/py-pip-21.3.1-ldlhndk5wevzhqoo7jorwkyvvcguarzm/lib/python3.8/site-packages/pip/py.typed
drwx------ 23 32 Feb 26 11:47 _vendor
This leads to:
ImportError: cannot import name 'InvalidSchemeCombination' from 'pip._internal.exceptions' (/home//private_software/spack_21Q4/var/spack/environments/ml-21Q4/.spack-env/view/lib/python3.8/site-packages/pip/_internal/exceptions.py)
Information on your system
- Spack: 0.17.1
- Python: 3.7.3
- Platform: linux-debian10-cascadelake
- Concretizer: clingo
Additional information
No response
General information
- I have run
spack debug reportand reported the version of Spack/Python/Platform - I have run
spack maintainers <name-of-the-package>and @mentioned any maintainers - I have uploaded the build log and environment files
- I have searched the issues of this repo and believe this is not a duplicate