make format

Author: mr-c

cwltool/builder.py

@@ -1,7 +1,18 @@
 import copy
 import logging
 import math
-from typing import (Any, Callable, Dict, IO, List, MutableMapping, MutableSequence, Optional, Union, cast)
+from typing import (
+    IO,
+    Any,
+    Callable,
+    Dict,
+    List,
+    MutableMapping,
+    MutableSequence,
+    Optional,
+    Union,
+    cast,
+)
 
 from cwl_utils import expression
 from cwl_utils.file_formats import check_format