fix bug in bertnlu nlu.py: spacy tokenizer

convlab2/nlu/jointBERT/multiwoz/nlu.py

@@ -61,7 +61,6 @@ class BERTNLU(NLU):
         self.model = model
         self.use_context = config['model']['context']
         self.dataloader = dataloader
-        self.nlp = spacy.load('en_core_web_sm')
         try:
             self.nlp = spacy.load("en_core_web_sm")
         except Exception:
@@ -121,7 +120,7 @@ class BERTNLU(NLU):
 
 if __name__ == '__main__':
     text = "How about rosa's bed and breakfast ? Their postcode is cb22ha."
-    nlu = BERTNLU(mode='sys', config_file='multiwoz_sys_context.json',
+    nlu = BERTNLU(mode='all', config_file='multiwoz_all_context.json',
                   model_file='https://convlab.blob.core.windows.net/convlab-2/bert_multiwoz_all_context.zip')
     print(nlu.predict(text))
     # text = "I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant.I don't care about the Price of the restaurant."