parameters: (n)
docstring: Check whether the input is of nativ ``str`` type.
  
      Raises:
          TypeError: in case of failed check
docstring_summary: Check whether the input is of nativ ``str`` type.
docstring_tokens: Check whether the input is of nativ str type .
function: def assert_native(n):
      """Check whether the input is of nativ ``str`` type.
  
      Raises:
          TypeError: in case of failed check
      """
      if not isinstance(n, str):
          raise TypeError('n must be a native str (got %s)' % type(n).__name__)
function_tokens: def assert_native ( n ) : if not isinstance ( n , str ) : raise TypeError ( 'n must be a native str (got %s)' % type ( n ) . __name__ )