Update app.py

app.py

@@ -151,6 +151,8 @@ def load_models_and_documents():
         data_dir = os.path.join(os.getenv('HF_HOME'), 'nltk_data')
         os.makedirs(os.path.join(data_dir, 'taggers'), exist_ok=True)
         os.makedirs(os.path.join(data_dir, 'tokenizers'), exist_ok=True)
+
+        nltk.data.path.append(data_dir)
         
         tagger_path = nltk.data.find('taggers/averaged_perceptron_tagger/averaged_perceptron_tagger.pickle')
         with open(os.path.join(data_dir, 'taggers', 'averaged_perceptron_tagger.pickle'), 'wb') as f:
@@ -159,8 +161,6 @@ def load_models_and_documents():
         punkt_path = nltk.data.find('tokenizers/punkt/english.pickle')
         with open(os.path.join(data_dir, 'tokenizers', 'punkt.pickle'), 'wb') as f:
             f.write(open(punkt_path, 'rb').read())
-
-        nltk.data.path.append(data_dir)
         
     client = QdrantClient(':memory:')
     collection_name = 'collection_demo'