--- python-slip-0.6.5/slip/dbus/polkit.py.orig	2017-05-16 12:14:36.000000000 +0200
+++ python-slip-0.6.5/slip/dbus/polkit.py	2021-07-03 19:34:39.676622157 +0200
@@ -26,7 +26,7 @@
 
 from __future__ import absolute_import
 
-import collections
+from six.moves import collections_abc
 import dbus
 from decorator import decorator
 from functools import reduce
@@ -103,14 +103,14 @@
             def some_method(self, ...):
                 ..."""
 
-    assert(func is None or isinstance(func, collections.Callable))
+    assert(func is None or isinstance(func, collections_abc.Callable))
 
     assert(
         authfail_result in (None, AUTHFAIL_DONTCATCH) or
         authfail_exception is None)
     assert(
         authfail_callback is None or
-        isinstance(authfail_callback, collections.Callable))
+        isinstance(authfail_callback, collections_abc.Callable))
     assert(
         authfail_exception is None or
         issubclass(authfail_exception, Exception))
--- python-slip-0.6.5/slip/util/hookable.py.orig	2017-05-16 12:14:36.000000000 +0200
+++ python-slip-0.6.5/slip/util/hookable.py	2021-07-03 19:35:20.166402805 +0200
@@ -23,7 +23,7 @@
 """This module contains variants of certain base types which call registered
 hooks on changes."""
 
-import collections
+from six.moves import collections_abc
 from six import with_metaclass
 
 __all__ = ["Hookable", "HookableSet"]
@@ -67,7 +67,7 @@
 
     def __init__(self, hook, args, kwargs, hookable=None):
 
-        assert(isinstance(hook, collections.Callable))
+        assert(isinstance(hook, collections_abc.Callable))
         assert(isinstance(hookable, Hookable))
 
         for n, x in enumerate(args):
@@ -174,7 +174,7 @@
         self.__add_hook(hook, self, *args, **kwargs)
 
     def __add_hook(self, hook, _hookable, *args, **kwargs):
-        assert isinstance(hook, collections.Callable)
+        assert isinstance(hook, collections_abc.Callable)
         assert isinstance(_hookable, Hookable)
         hookentry = _HookEntry(hook, args, kwargs, hookable=_hookable)
         self.__hooks__.add(hookentry)