Update app.py

app.py

@@ -60,13 +60,8 @@ conversation_context = {}
 def load_sentence_transformer():
     print("Loading SentenceTransformer model...")
     try:
-        # First download the model files
-        from huggingface_hub import snapshot_download
-        model_path = snapshot_download(repo_id="jinaai/jina-embeddings-v3")
-        
-        # Then load it with SentenceTransformer
         from sentence_transformers import SentenceTransformer
-        model_embedding = SentenceTransformer(model_path).to(device)
+        model_embedding = SentenceTransformer('jinaai/jina-embeddings-v2-base-en').to(device)
 
         if not os.path.exists(MODEL_PATH):
             raise FileNotFoundError(f"Model state dict not found at {MODEL_PATH}. Please ensure the file exists.")