Update app.py

app.py

@@ -239,18 +239,27 @@ def extract_validation_metrics(validation_text):
         
         if start_idx != -1 and end_idx != -1 and start_idx < end_idx:
             json_str = validation_text[start_idx:end_idx]
-            data = json.loads(json_str)
+            # Print for debugging
+            print("Extracted JSON:", json_str)
             
-            # Extract the required metrics
-            metrics = {
-                "quality_rating": data.get("quality_rating", 0),
-                "accuracy": data.get("accuracy", 0.0),
-                "completeness": data.get("completeness", 0.0),
-                "best_practices_alignment": data.get("best_practices_alignment", 0.0)
-            }
-            
-            return metrics
-        return None
+            try:
+                data = json.loads(json_str)
+                
+                # Extract the required metrics with default values
+                metrics = {
+                    "quality_rating": float(data.get("quality_rating", 0)),
+                    "accuracy": float(data.get("accuracy", 0.0)),
+                    "completeness": float(data.get("completeness", 0.0)),
+                    "best_practices_alignment": float(data.get("best_practices_alignment", 0.0))
+                }
+                
+                return metrics
+            except json.JSONDecodeError as je:
+                print(f"JSON decode error: {je}")
+                return None
+        else:
+            print("No JSON found in validation text")
+            return None
     except Exception as e:
         print(f"Error extracting metrics: {e}")
         return None