Fix error reporting

Author: BenGalewsky

src/servicex_did_finder_lib/did_finder_app.py

@@ -100,10 +100,11 @@ def do_lookup(self, did: str, dataset_id: int, endpoint: str, user_did_finder: U
                 acc.add(file_info)
 
             acc.send_on(did_info.file_count)
-        except Exception as e:
+        except Exception:
             self.logger.error(
-                f"Error processing DID {did}: {e}",
-                extra={"dataset_id": dataset_id}
+                f"Error processing DID {did}",
+                extra={"dataset_id": dataset_id},
+                exc_info=1
             )
         finally:
             elapsed_time = int((datetime.now() - start_time).total_seconds())