parameters: (self, userid, N=10)
docstring: Calculates a list of similar items
  
          Parameters
          ----------
          userid : int
              The row id of the user to retrieve similar users for
          N : int, optional
              The number of similar users to return
  
          Returns
          -------
          list
              List of (userid, score) tuples
docstring_summary: Calculates a list of similar items
docstring_tokens: Calculates a list of similar items
function: def similar_users(self, userid, N=10):
          """
          Calculates a list of similar items
  
          Parameters
          ----------
          userid : int
              The row id of the user to retrieve similar users for
          N : int, optional
              The number of similar users to return
  
          Returns
          -------
          list
              List of (userid, score) tuples
          """
          pass
function_tokens: def similar_users ( self , userid , N = 10 ) : pass