fix

app.py

@@ -189,9 +189,14 @@ class ImprovedGAIAAgent:
             
             # Clean up response to be GAIA-compliant (short, exact)
             if response:
-                # Remove common prefixes/suffixes
+                # Remove common prefixes
                 response = re.sub(r'^(answer:|the answer is:?|answer is:?)\s*', '', response, flags=re.IGNORECASE)
-                response = re.sub(r'\s*(\.|\?|!)*
+
+                # Remove common trailing punctuation or padding
+                response = re.sub(r'\s*(\.*|\?+|!+)\s*$', '', response)
+
+                # Optional: Collapse excessive whitespace inside the response
+                response = re.sub(r'\s+', ' ', response).strip()
             
             return response if response else ""