Update app.py

app.py

@@ -286,10 +286,9 @@ class GazaKnowledgeBase:
         logger.info("Initializing Gaza Knowledge Base...")
         
         # Initialize embedding model
-        self.embedding_model = SentenceTransformer(
-            'sentence-transformers/all-MiniLM-L6-v2',
-            device='cpu'  # Use CPU for better compatibility
-        )
+        device = 'cuda' if torch.cuda.is_available() else 'cpu'
+        self.embedding_model = SentenceTransformer('sentence-transformers/all-MiniLM-L6-v2',device=device)
+
         
         # Load or create vector store
         self._load_or_create_vector_store()