parameters: (self, user=None)
docstring: Delete all variables about a user (or all users).
  
  If no username is passed, deletes all variables about all users. Otherwise, only
  deletes all variables for the given user.
docstring_summary: Delete all variables about a user (or all users).
docstring_tokens: Delete all variables about a user ( or all users ) .
function: def clear_uservars(self, user=None):
          """Delete all variables about a user (or all users).
  
  If no username is passed, deletes all variables about all users. Otherwise, only
  deletes all variables for the given user."""
  
          if user is None:
              # All the users!
              self._users = {}
          elif user in self._users:
              # Just this one.
              self._users[user] = {}
function_tokens: def clear_uservars ( self , user = None ) : if user is None : # All the users! self . _users = { } elif user in self . _users : # Just this one. self . _users [ user ] = { }