parameters: (self, var_list)
docstring: Create all slots needed by the variables.
  
      Args:
        var_list: A list of `Variable` objects.
docstring_summary: Create all slots needed by the variables.
docstring_tokens: Create all slots needed by the variables .
function: def _create_slots(self, var_list):
      """Create all slots needed by the variables.
  
      Args:
        var_list: A list of `Variable` objects.
      """
      # No slots needed by default
      pass
function_tokens: def _create_slots ( self , var_list ) : # No slots needed by default pass