Update tools/ai_tools.py

tools/ai_tools.py

@@ -319,4 +319,4 @@ class AITools():
                 if part.code_execution_result is not None:
                     return part.code_execution_result.output
         except Exception as e:
-            raise RuntimeError(f"Processing failed: {str(e)}")m
+            raise RuntimeError(f"Processing failed: {str(e)}")