code: def get_entry_point(key, value):
      
      for entry_point in pkg_resources.iter_entry_points(key):
          if entry_point.name == value:
              return entry_point.load()
docs: Check if registered entry point is available for a given name and
      load it. Otherwise, return None.
  
      key (unicode): Entry point name.
      value (unicode): Name of entry point to load.
      RETURNS: The loaded entry point or None.