diff --git a/dbt/adapters/postgres/connections.py b/dbt/adapters/postgres/connections.py
index 23d4b69d..83f26957 100644
--- a/dbt/adapters/postgres/connections.py
+++ b/dbt/adapters/postgres/connections.py
@@ -205,7 +205,5 @@ def data_type_code_to_name(cls, type_code: Union[int, str]) -> str:
         if type_code in psycopg2.extensions.string_types:
             return psycopg2.extensions.string_types[type_code].name
         else:
-            warn_or_error(
-                TypeCodeNotFound(type_code=type_code)
-            )
+            warn_or_error(TypeCodeNotFound(type_code=type_code))
             return f"unknown type_code {type_code}"