subscription-manager, yum command failed with a python traceback error

Issue

• yum failed with the following error on RHEL 9.

  # yum repolist
    Traceback (most recent call last):
      File "/usr/bin/yum", line 61, in <module>
        from dnf.cli import main
    ModuleNotFoundError: No module named 'dnf'
  

• subscription-manager failed with the following error on RHEL 9.

  # subscription-manager status
    Traceback (most recent call last):
      File "/usr/lib64/python3.11/importlib/metadata/__init__.py", line 563, in from_name
        return next(cls.discover(name=name))
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    StopIteration
  
    During handling of the above exception, another exception occurred:
  
    Traceback (most recent call last):
      File "/usr/sbin/subscription-manager", line 33, in <module>
        sys.exit(load_entry_point('subscription-manager==1.29.30', 'console_scripts', 'subscription-manager')())
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/sbin/subscription-manager", line 22, in importlib_load_entry_point
        for entry_point in distribution(dist_name).entry_points
                     ^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/lib64/python3.11/importlib/metadata/__init__.py", line 981, in distribution
        return Distribution.from_name(distribution_name)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      File "/usr/lib64/python3.11/importlib/metadata/__init__.py", line 565, in from_name
        raise PackageNotFoundError(name)
    importlib.metadata.PackageNotFoundError: No package metadata was found for subscription-manager