whenever I run pip (python -m pip) I get the following error message:

  Traceback (most recent call last):

  File "/usr/bin/pip", line 11, in <module>

    load_entry_point('pip==20.0.2', 'console_scripts', 'pip')()

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 490, in load_entry_point

    return get_distribution(dist).load_entry_point(group, name)

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2854, in load_entry_point

    return ep.load()

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2445, in load

    return self.resolve()

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2451, in resolve

    module = __import__(self.module_name, fromlist=['__name__'], level=0)

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/main.py", line 10, in <module>

    from pip._internal.cli.autocompletion import autocomplete

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/autocompletion.py", line 9, in <module>

    from pip._internal.cli.main_parser import create_main_parser

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/main_parser.py", line 7, in <module>

    from pip._internal.cli import cmdoptions

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/cmdoptions.py", line 24, in <module>

    from pip._internal.exceptions import CommandError

  File "/usr/lib/python3/dist-packages/pip/_internal/exceptions.py", line 10, in <module>

    from pip._vendor.six import iteritems

  File "/usr/lib/python3/dist-packages/pip/_vendor/__init__.py", line 65, in <module>

    vendored("cachecontrol")

  File "/usr/lib/python3/dist-packages/pip/_vendor/__init__.py", line 36, in vendored

    __import__(modulename, globals(), locals(), level=0)

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/CacheControl-0.12.6-py2.py3-none-any.whl/cachecontrol/__init__.py", line 9, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/CacheControl-0.12.6-py2.py3-none-any.whl/cachecontrol/wrapper.py", line 1, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/CacheControl-0.12.6-py2.py3-none-any.whl/cachecontrol/adapter.py", line 5, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/requests-2.22.0-py2.py3-none-any.whl/requests/__init__.py", line 95, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/urllib3-1.25.8-py2.py3-none-any.whl/urllib3/contrib/pyopenssl.py", line 46, in <module>

  File "/usr/lib/python3/dist-packages/OpenSSL/__init__.py", line 8, in <module>

    from OpenSSL import crypto, SSL

  File "/usr/lib/python3/dist-packages/OpenSSL/crypto.py", line 1553, in <module>

    class X509StoreFlags(object):

  File "/usr/lib/python3/dist-packages/OpenSSL/crypto.py", line 1573, in X509StoreFlags

    CB_ISSUER_CHECK = _lib.X509_V_FLAG_CB_ISSUER_CHECK

AttributeError: module 'lib' has no attribute 'X509_V_FLAG_CB_ISSUER_CHECK'

Error in sys.excepthook:

Traceback (most recent call last):

  File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 72, in apport_excepthook

    from apport.fileutils import likely_packaged, get_recent_crashes

  File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in <module>

    from apport.report import Report

  File "/usr/lib/python3/dist-packages/apport/report.py", line 32, in <module>

    import apport.fileutils

  File "/usr/lib/python3/dist-packages/apport/fileutils.py", line 12, in <module>

    import os, glob, subprocess, os.path, time, pwd, sys, requests_unixsocket

  File "/usr/lib/python3/dist-packages/requests_unixsocket/__init__.py", line 1, in <module>

    import requests

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/requests-2.22.0-py2.py3-none-any.whl/requests/__init__.py", line 95, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/urllib3-1.25.8-py2.py3-none-any.whl/urllib3/contrib/pyopenssl.py", line 46, in <module>

  File "/usr/lib/python3/dist-packages/OpenSSL/__init__.py", line 8, in <module>

    from OpenSSL import crypto, SSL

  File "/usr/lib/python3/dist-packages/OpenSSL/crypto.py", line 1553, in <module>

    class X509StoreFlags(object):

  File "/usr/lib/python3/dist-packages/OpenSSL/crypto.py", line 1573, in X509StoreFlags

    CB_ISSUER_CHECK = _lib.X509_V_FLAG_CB_ISSUER_CHECK

AttributeError: module 'lib' has no attribute 'X509_V_FLAG_CB_ISSUER_CHECK'



Original exception was:

Traceback (most recent call last):

  File "/usr/bin/pip", line 11, in <module>

    load_entry_point('pip==20.0.2', 'console_scripts', 'pip')()

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 490, in load_entry_point

    return get_distribution(dist).load_entry_point(group, name)

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2854, in load_entry_point

    return ep.load()

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2445, in load

    return self.resolve()

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 2451, in resolve

    module = __import__(self.module_name, fromlist=['__name__'], level=0)

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/main.py", line 10, in <module>

    from pip._internal.cli.autocompletion import autocomplete

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/autocompletion.py", line 9, in <module>

    from pip._internal.cli.main_parser import create_main_parser

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/main_parser.py", line 7, in <module>

    from pip._internal.cli import cmdoptions

  File "/usr/lib/python3/dist-packages/pip/_internal/cli/cmdoptions.py", line 24, in <module>

    from pip._internal.exceptions import CommandError

  File "/usr/lib/python3/dist-packages/pip/_internal/exceptions.py", line 10, in <module>

    from pip._vendor.six import iteritems

  File "/usr/lib/python3/dist-packages/pip/_vendor/__init__.py", line 65, in <module>

    vendored("cachecontrol")

  File "/usr/lib/python3/dist-packages/pip/_vendor/__init__.py", line 36, in vendored

    __import__(modulename, globals(), locals(), level=0)

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/CacheControl-0.12.6-py2.py3-none-any.whl/cachecontrol/__init__.py", line 9, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/CacheControl-0.12.6-py2.py3-none-any.whl/cachecontrol/wrapper.py", line 1, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/CacheControl-0.12.6-py2.py3-none-any.whl/cachecontrol/adapter.py", line 5, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/requests-2.22.0-py2.py3-none-any.whl/requests/__init__.py", line 95, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked

  File "<frozen importlib._bootstrap>", line 655, in _load_unlocked

  File "<frozen importlib._bootstrap>", line 618, in _load_backward_compatible

  File "<frozen zipimport>", line 259, in load_module

  File "/usr/share/python-wheels/urllib3-1.25.8-py2.py3-none-any.whl/urllib3/contrib/pyopenssl.py", line 46, in <module>

  File "/usr/lib/python3/dist-packages/OpenSSL/__init__.py", line 8, in <module>

    from OpenSSL import crypto, SSL

  File "/usr/lib/python3/dist-packages/OpenSSL/crypto.py", line 1553, in <module>

    class X509StoreFlags(object):

  File "/usr/lib/python3/dist-packages/OpenSSL/crypto.py", line 1573, in X509StoreFlags

    CB_ISSUER_CHECK = _lib.X509_V_FLAG_CB_ISSUER_CHECK

AttributeError: module 'lib' has no attribute 'X509_V_FLAG_CB_ISSUER_CHECK'

I wanted to install requests but I got this error:

    /usr/lib/python3/dist-packages/secretstorage/dhcrypto.py:15: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead

  from cryptography.utils import int_from_bytes

/usr/lib/python3/dist-packages/secretstorage/util.py:19: CryptographyDeprecationWarning: int_from_bytes is deprecated, use int.from_bytes instead

  from cryptography.utils import int_from_bytes

Then I wanted to fix it using this command:

pip3 list --outdated --format=freeze | grep -v '^-e' | cut -d = -f 1 | xargs -n1 pip3 install -U

Now I always get this error saying that lib module lacks some var. I don't know what to do. I think that I should remove all pip packages which cause this, but I fear to completely brick my system. There seems to be something frozen also, but I don't know what this means.

How to fix this error?