original_docstring: 
          Retrieves a post by its key ID
          :param post_id:
          :return: Post object
          
docstring: Retrieves a post by its key ID
docstring_tokens: Retrieves a post by its key ID
code: def by_id(cls, post_id):
          """
          Retrieves a post by its key ID
          :param post_id:
          :return: Post object
          """
          return Post.get_by_id(post_id)
code_tokens: def by_id ( cls , post_id ) : return Post . get_by_id ( post_id )
short_docstring: Retrieves a post by its key ID
short_docstring_tokens: Retrieves a post by its key ID
comment: """
          Retrieves a post by its key ID
          :param post_id:
          :return: Post object
          """