Convert //vision/... to collections.abc

Summary: Convert //vision/... to collections.abc for python 3.10 usage

Reviewed By: lisroach

Differential Revision: D36031147

fbshipit-source-id: a2891e6d98e757e9599d8e360e3462aacadc2f83

Author: bfrommfb

detectron2/config/instantiate.py

@@ -1,7 +1,8 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
+
+import collections.abc as abc
 import dataclasses
 import logging
-from collections import abc
 from typing import Any
 
 from detectron2.utils.registry import _convert_target_to_string, locate

detectron2/config/lazy.py

@@ -1,12 +1,13 @@
 # Copyright (c) Facebook, Inc. and its affiliates.
+
 import ast
 import builtins
+import collections.abc as abc
 import importlib
 import inspect
 import logging
 import os
 import uuid
-from collections import abc
 from contextlib import contextmanager
 from copy import deepcopy
 from dataclasses import is_dataclass