Oracle weight assigning update

Oracle/deepfundingoracle.py

@@ -256,10 +256,12 @@ def assign_base_weight(df, max_workers=32):
         "- Contributors\n\n"
         "Assign a weight (0-1) to each feature based on its importance in determining "
         "the influence of a repository. Provide the weights as a JSON object with "
-        "keys as feature names and values as their weights."
+        "keys as feature names and values as their weights. Ensure the response is strictly in valid JSON format."
     )
     try:
         response = llama.predict(prompt)
+        if not response.strip():
+            raise ValueError("Empty response from LLM.")
         feature_weights = json.loads(response)  # Safely parse JSON
         print(f"[INFO] Feature weights from LLM: {feature_weights}", flush=True)
     except (json.JSONDecodeError, Exception) as e: