Update app.py

app.py

@@ -38,7 +38,7 @@ def load_models():
         models['summarizer'] = pipeline("summarization", model="facebook/bart-large-cnn", max_length=130)
         
         # Load smaller feature extraction model for speed
-        models['feature_extractor'] = pipeline("feature-extraction", model="sentence-transformers/all-MiniLM-L6-v2")
+        models['feature_extractor'] = pipeline("feature-extraction", model="roberta-base")
         
         return models