fix error in device index for summarizer

handler.py

@@ -18,12 +18,11 @@ class EndpointHandler():
     SENTENCE_TRANSFORMER_MODEL_NAME = "multi-qa-mpnet-base-dot-v1"
     QUESTION_ANSWER_MODEL_NAME = "vblagoje/bart_lfqa"
     SUMMARIZER_MODEL_NAME = "philschmid/bart-large-cnn-samsum"
-    device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
-    device_number = 0 if torch.cuda.is_available() else -1
 
     def __init__(self, path=""):
 
         device = "cuda" if torch.cuda.is_available() else "cpu"
+        device_number = 0 if torch.cuda.is_available() else -1
         print(f'whisper and question_answer_model will use: {device}')
 
         t0 = time.time()
@@ -41,7 +40,7 @@ class EndpointHandler():
         print(f'Finished loading sentence_transformer_model in {total} seconds')
 
         t0 = time.time()
-        self.summarizer = pipeline("summarization", model=self.SUMMARIZER_MODEL_NAME, device=device)
+        self.summarizer = pipeline("summarization", model=self.SUMMARIZER_MODEL_NAME, device=device_number)
         t1 = time.time()
 
         total = t1 - t0