Update fid_dialogue_pipeline.py

修复在cpu下推理时的错误，这里不应该检查cuda是否可用。这里的逻辑似乎有错误

modelscope/pipelines/nlp/fid_dialogue_pipeline.py

@@ -191,8 +191,8 @@ class FidDialoguePipeline(Pipeline):
     def postprocess(self, inputs: TokenGeneratorOutput,
                     **postprocess_params) -> Dict[str, Any]:
 
-        if torch.cuda.is_available():
-            hypotheses = inputs.sequences.detach().cpu().tolist()
+        # if torch.cuda.is_available():
+        hypotheses = inputs.sequences.detach().cpu().tolist()
 
         response = self.preprocessor_tokenizer.decode(
             hypotheses[0], skip_special_tokens=self.is_t5)