Update app.py

app.py

@@ -136,7 +136,6 @@ IMPORT_TO_PACKAGE = {
     'Image': 'pillow'
 }
 
-
 def get_package_name(import_name):
     """임포트명으로부터 실제 패키지명을 반환"""
     if import_name in BUILTIN_MODULES:
@@ -495,14 +494,10 @@ class Demo:
 
             if collected_content:
                 _history.append([query, collected_content])
-            else:
-                raise ValueError("No content was generated from either API")
                 
         except Exception as e:
             print(f"Error details: {str(e)}")
             raise ValueError(f'Error calling APIs: {str(e)}')
-            
-        return collected_content
 
     def clear_history(self):
         return []