old_contents: """Provide the PRAWBase superclass."""
  from copy import deepcopy
  from typing import Any, Dict, TypeVar
  
  Reddit = TypeVar("Reddit")
  
  
  class PRAWBase:
      """Superclass for all models in PRAW."""
  
      @staticmethod
      def _safely_add_arguments(argument_dict, key, **new_arguments):
          """Replace argument_dict[key] with a deepcopy and update.
  
          This method is often called when new parameters need to be added to a
          request. By calling this method and adding the new or updated
          parameters we can insure we don't modify the dictionary passed in by
          the caller.
  
          """
          value = deepcopy(argument_dict[key]) if key in argument_dict else {}
          value.update(new_arguments)
          argument_dict[key] = value
  
      @classmethod
      def parse(cls, data: Dict[str, Any], reddit: Reddit) -> Any:
          """Return an instance of ``cls`` from ``data``.
  
          :param data: The structured data.
          :param reddit: An instance of :class:`.Reddit`.
  
          """
          return cls(reddit, _data=data)
  
      def __init__(self, reddit: Reddit, _data: Dict[str, Any]):
          """Initialize a PRAWModel instance.
  
          :param reddit: An instance of :class:`.Reddit`.
  
          """
          self._reddit = reddit
          if _data:
              for attribute, value in _data.items():
                  setattr(self, attribute, value)
  
new_contents: """Provide the PRAWBase superclass."""
  from copy import deepcopy
  from typing import Any, Dict, Optional, TypeVar
  
  Reddit = TypeVar("Reddit")
  
  
  class PRAWBase:
      """Superclass for all models in PRAW."""
  
      @staticmethod
      def _safely_add_arguments(argument_dict, key, **new_arguments):
          """Replace argument_dict[key] with a deepcopy and update.
  
          This method is often called when new parameters need to be added to a
          request. By calling this method and adding the new or updated
          parameters we can insure we don't modify the dictionary passed in by
          the caller.
  
          """
          value = deepcopy(argument_dict[key]) if key in argument_dict else {}
          value.update(new_arguments)
          argument_dict[key] = value
  
      @classmethod
      def parse(cls, data: Dict[str, Any], reddit: Reddit) -> Any:
          """Return an instance of ``cls`` from ``data``.
  
          :param data: The structured data.
          :param reddit: An instance of :class:`.Reddit`.
  
          """
          return cls(reddit, _data=data)
  
      def __init__(self, reddit: Reddit, _data: Optional[Dict[str, Any]]):
          """Initialize a PRAWModel instance.
  
          :param reddit: An instance of :class:`.Reddit`.
  
          """
          self._reddit = reddit
          if _data:
              for attribute, value in _data.items():
                  setattr(self, attribute, value)
  
subject: Fix for base