def ToInfix(stack):
  infix = _ConvertStack(stack)
  if stack:
    raise bigquery_client.BigqueryInvalidQueryError(
        'Invalid number of arguments.', None, None, None)
  return infix
Converts a postfix notation stack into an infix string.
dataset/ETHPy150Open google/encrypted-bigquery-client/src/query_interpreter.py/ToInfix