[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

astpretty.py

@@ -77,7 +77,7 @@ class state:
             indent = _indent
 
         @contextlib.contextmanager
-        def indented() -> Generator[None, None, None]:
+        def indented() -> Generator[None]:
             state.indent += 1
             yield
             state.indent -= 1