Weird errors with pip on iSH iOS app (prooted Alpine Linux Github)

Description

PIP on iSH iOS app (prooted Alpine Linux Github link: https://github.com/ish-app/ish) Hardware: iPad Air 2022 edition running iOS 16.4.

Using python and pip, it results in some weird errors. uname -a: Linux iPad 4.20.69-ish iSH 1.2.3 (298) Dec 17 2021 06:08:24 i686 Linux

python3 --version: 3.9.16

I installed it by apk add python3 python3-dev python-pip but afterwards when I run pip (regardless of command line arguments) I see:

What am I doing wrong ?`

Expected behavior

That it runs normally, like on macOS. Linux or an Android terminal.

pip version

Python version

3.9.16

OS

Alpine Linux x86, prooted under iOS 16

How to Reproduce

See description.

Output

iPad:~# pip
Traceback (most recent call last):
  File "/usr/bin/pip", line 33, in <module>
    sys.exit(load_entry_point('pip==20.3.4', 'console_scripts', 'pip')())
  File "/usr/bin/pip", line 25, in importlib_load_entry_point
    return next(matches).load()
  File "/usr/lib/python3.9/importlib/metadata.py", line 86, in load
    module = import_module(match.group('module'))
  File "/usr/lib/python3.9/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
  File "/usr/lib/python3.9/site-packages/pip/_internal/cli/main.py", line 10, in <module>
    from pip._internal.cli.autocompletion import autocomplete
  File "/usr/lib/python3.9/site-packages/pip/_internal/cli/autocompletion.py", line 9, in <module>
    from pip._internal.cli.main_parser import create_main_parser
  File "/usr/lib/python3.9/site-packages/pip/_internal/cli/main_parser.py", line 7, in <module>
    from pip._internal.cli import cmdoptions
  File "/usr/lib/python3.9/site-packages/pip/_internal/cli/cmdoptions.py", line 25, in <module>
    from pip._internal.cli.progress_bars import BAR_TYPES
  File "/usr/lib/python3.9/site-packages/pip/_internal/cli/progress_bars.py", line 12, in <module>
    from pip._internal.utils.logging import get_indentation
  File "/usr/lib/python3.9/site-packages/pip/_internal/utils/logging.py", line 18, in <module>
    from pip._internal.utils.misc import ensure_dir
  File "/usr/lib/python3.9/site-packages/pip/_internal/utils/misc.py", line 34, in <module>
    from pip._internal.locations import get_major_minor_version, site_packages, user_site
  File "/usr/lib/python3.9/site-packages/pip/_internal/locations/__init__.py", line 14, in <module>
    from . import _sysconfig
  File "/usr/lib/python3.9/site-packages/pip/_internal/locations/_sysconfig.py", line 7, in <module>
    from pip._internal.exceptions import InvalidSchemeCombination, UserInstallationInvalid
ImportError: cannot import name 'InvalidSchemeCombination' from 'pip._internal.exceptions' (/usr/lib/python3.9/site-packages/pip/_internal/exceptions.py)
iPad:~#

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pypa / pip