| 12345678910111213141516171819202122232425 | from libs.exception import BaseHTTPExceptionclass NotCompletionAppError(BaseHTTPException):    error_code = 'not_completion_app'    description = "Not Completion App"    code = 400class NotChatAppError(BaseHTTPException):    error_code = 'not_chat_app'    description = "App mode is invalid."    code = 400class NotWorkflowAppError(BaseHTTPException):    error_code = 'not_workflow_app'    description = "Only support workflow app."    code = 400class AppSuggestedQuestionsAfterAnswerDisabledError(BaseHTTPException):    error_code = 'app_suggested_questions_after_answer_disabled'    description = "Function Suggested questions after answer disabled."    code = 403
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