diff --git a/superset/advanced_data_type/plugins/internet_port.py b/superset/advanced_data_type/plugins/internet_port.py
index d7321e1354067..3b2f8da7bbdfd 100644
--- a/superset/advanced_data_type/plugins/internet_port.py
+++ b/superset/advanced_data_type/plugins/internet_port.py
@@ -88,8 +88,9 @@ def port_translation_func(req: AdvancedDataTypeRequest) -> AdvancedDataTypeRespo
                 else port_conversion_dict[string_value]
             )
         except (KeyError, ValueError):
-            resp["error_message"] = \
-                f"'{string_value}' does not appear to be a port name or number"
+            resp[
+                "error_message"
+            ] = f"'{string_value}' does not appear to be a port name or number"
             break
         else:
             resp["display_value"] = ", ".join(