when i tried to install netfilterqueue this error came up.
even i can't uninstall/check/install using pip.
And i searched over the stackoverflow and one of those said use :
sudo pip install -U setuptools
And again this error came up.
  Traceback (most recent call last):
      File "/usr/bin/pip", line 33, in <module>
        sys.exit(load_entry_point('pip==20.1.1', 'console_scripts', 'pip')())
      File "/usr/lib/python3.8/site-packages/pip/_internal/cli/main.py", line 73, in main
        command = create_command(cmd_name, isolated=("--isolated" in cmd_args))
      File "/usr/lib/python3.8/site-packages/pip/_internal/commands/__init__.py", line 104, in create_command
        module = importlib.import_module(module_path)
      File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
        return _bootstrap._gcd_import(name[level:], package, level)
      File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
      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 671, in _load_unlocked
      File "<frozen importlib._bootstrap_external>", line 783, in exec_module
      File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
      File "/usr/lib/python3.8/site-packages/pip/_internal/commands/install.py", line 24, in <module>
        from pip._internal.cli.req_command import RequirementCommand, with_cleanup
      File "/usr/lib/python3.8/site-packages/pip/_internal/cli/req_command.py", line 20, in <module>
        from pip._internal.operations.prepare import RequirementPreparer
      File "/usr/lib/python3.8/site-packages/pip/_internal/operations/prepare.py", line 15, in <module>
        from pip._internal.distributions import (
      File "/usr/lib/python3.8/site-packages/pip/_internal/distributions/__init__.py", line 2, in <module>
        from pip._internal.distributions.wheel import WheelDistribution
      File "/usr/lib/python3.8/site-packages/pip/_internal/distributions/wheel.py", line 5, in <module>
        from pip._internal.utils.wheel import pkg_resources_distribution_for_wheel
      File "/usr/lib/python3.8/site-packages/pip/_internal/utils/wheel.py", line 12, in <module>
        from pip._vendor.six import PY2, ensure_str
    ImportError: cannot import name 'ensure_str' from 'six' (/usr/lib/python3.8/site-packages/six.py)
Thanks in advance.