• File "/www/server/pyporject_evn/0001_venv/lib/python3.10/site-packages/flask/app.py", line 1488, in __call__

      ) -> cabc.Iterable[bytes]:

          """The WSGI server calls the Flask application object as the

          WSGI application. This calls :meth:`wsgi_app`, which can be

          wrapped to apply middleware.

          """

          return self.wsgi_app(environ, start_response)

• File "/www/server/pyporject_evn/0001_venv/lib/python3.10/site-packages/flask/app.py", line 1466, in wsgi_app

              try:

                  ctx.push()

                  response = self.full_dispatch_request()

              except Exception as e:

                  error = e

                  response = self.handle_exception(e)

              except:  # noqa: B001

                  error = sys.exc_info()[1]

                  raise

              return response(environ, start_response)

          finally:

• File "/www/server/pyporject_evn/0001_venv/lib/python3.10/site-packages/flask/app.py", line 1463, in wsgi_app

          ctx = self.request_context(environ)

          error: BaseException | None = None

          try:

              try:

                  ctx.push()

                  response = self.full_dispatch_request()

              except Exception as e:

                  error = e

                  response = self.handle_exception(e)

              except:  # noqa: B001

                  error = sys.exc_info()[1]

• File "/www/server/pyporject_evn/0001_venv/lib/python3.10/site-packages/flask/app.py", line 872, in full_dispatch_request

              request_started.send(self, _async_wrapper=self.ensure_sync)

              rv = self.preprocess_request()

              if rv is None:

                  rv = self.dispatch_request()

          except Exception as e:

              rv = self.handle_user_exception(e)

          return self.finalize_request(rv)

      def finalize_request(

          self,

          rv: ft.ResponseReturnValue | HTTPException,

• File "/www/server/pyporject_evn/0001_venv/lib/python3.10/site-packages/flask/app.py", line 870, in full_dispatch_request

          try:

              request_started.send(self, _async_wrapper=self.ensure_sync)

              rv = self.preprocess_request()

              if rv is None:

                  rv = self.dispatch_request()

          except Exception as e:

              rv = self.handle_user_exception(e)

          return self.finalize_request(rv)

      def finalize_request(

• File "/www/server/pyporject_evn/0001_venv/lib/python3.10/site-packages/flask/app.py", line 855, in dispatch_request

              and req.method == "OPTIONS"

          ):

              return self.make_default_options_response()

          # otherwise dispatch to the handler for that endpoint

          view_args: dict[str, t.Any] = req.view_args  # type: ignore[assignment]

          return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]

      def full_dispatch_request(self) -> Response:

          """Dispatches the request and on top of that performs request

          pre and postprocessing as well as HTTP exception catching and

          error handling.

• File "/www/python/0001/hello.py", line 19, in generate

      # 获取 GET 请求中的提示

      prompt = request.args.get('prompt', default='', type=str)

      # 调用生成函数

      response = dashscope.Generation.call(

          model='qwen-1.8b-chat',

          prompt=prompt,

          seed=1234,

          top_p=0.8,

          result_format='message',

• File "/www/server/pyporject_evn/0001_venv/lib/python3.10/site-packages/dashscope/aigc/generation.py", line 123, in call

                    Generator[GenerationResponse, None, None]]: If

              stream is True, return Generator, otherwise GenerationResponse.

          """

          if (prompt is None or not prompt) and (messages is None

                                                 or not messages):

              raise InputRequired('prompt or messages is required!')

          if model is None or not model:

              raise ModelRequired('Model is required!')

          task_group, function = _get_task_group_and_task(__name__)

          if plugins is not None:

              headers = kwargs.pop('headers', {})

dashscope.common.error.InputRequired: prompt or messages is required!