def CheckInitialized(self):
    """Adds additional checking to make sure handler has correct fields.

    In addition to normal ValidatedCheck calls GetHandlerType
    which validates all the handler fields are configured
    properly.

    Raises:
      UnknownHandlerType: when none of the no handler id attributes are set.
      UnexpectedHandlerAttribute: when an unexpected attribute is set for the
        discovered handler type.
      HandlerTypeMissingAttribute: when the handler is missing a required
        attribute for its handler type.
      ContentTypeSpecifiedMultipleTimes: when mime_type is inconsistent with
        http_headers.
    """
    super(URLMap, self).CheckInitialized()
    if (STATIC_DIR, STATIC_FILES) in self.GetHandlerType():











      self.AssertUniqueContentType()
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/api/appinfo.py/URLMap.CheckInitialized/swapped operands of `in`