Modernize Iterator type annotations.

Since Python 3.9 the collections.abc module can be used directly for
typing.

Author: acolomb

canopen/network.py

@@ -2,8 +2,8 @@
 
 import logging
 import threading
-from collections.abc import MutableMapping
-from typing import Callable, Final, Iterator, Optional, Union
+from collections.abc import Iterator, MutableMapping
+from typing import Callable, Final, Optional, Union
 
 import can
 

canopen/objectdictionary/__init__.py

@@ -6,8 +6,8 @@
 
 import logging
 import struct
-from collections.abc import Mapping, MutableMapping
-from typing import Iterator, Optional, TextIO, Union
+from collections.abc import Iterator, Mapping, MutableMapping
+from typing import Optional, TextIO, Union
 
 from canopen.objectdictionary.datatypes import *
 from canopen.objectdictionary.datatypes import IntegerN, UnsignedN

canopen/pdo/base.py

@@ -4,8 +4,8 @@
 import logging
 import math
 import threading
-from collections.abc import Mapping
-from typing import Callable, Iterator, Optional, TYPE_CHECKING, Union
+from collections.abc import Iterator, Mapping
+from typing import Callable, Optional, TYPE_CHECKING, Union
 
 import canopen.network
 from canopen import objectdictionary

canopen/sdo/base.py

@@ -1,8 +1,8 @@
 from __future__ import annotations
 
 import binascii
-from collections.abc import Mapping
-from typing import Iterator, Optional, Union
+from collections.abc import Iterator, Mapping
+from typing import Optional, Union
 
 import canopen.network
 from canopen import objectdictionary