Import ABC from collections.abc for Python 3 compatibility.

Author: tirkarthi

libtmux/_compat.py

@@ -26,6 +26,7 @@
     import ConfigParser as configparser
 
     from itertools import izip, imap
+    from collections import MutableMapping
 
     range_type = xrange
 
@@ -73,6 +74,7 @@ def console_to_str(s):
     import urllib.parse as urllib
     import urllib.parse as urlparse
     from urllib.request import urlretrieve
+    from collections.abc import MutableMapping
 
     console_encoding = sys.__stdout__.encoding
 

libtmux/common.py

@@ -6,7 +6,6 @@
 ~~~~~~~~~~~~~~
 
 """
-import collections
 import logging
 import os
 import re
@@ -15,7 +14,7 @@
 from distutils.version import LooseVersion
 
 from . import exc
-from ._compat import console_to_str, str_from_console
+from ._compat import console_to_str, MutableMapping, str_from_console
 
 logger = logging.getLogger(__name__)
 
@@ -231,7 +230,7 @@ def __init__(self, *args, **kwargs):
         logger.debug('self.stdout for %s: \n%s' % (' '.join(cmd), self.stdout))
 
 
-class TmuxMappingObject(collections.MutableMapping):
+class TmuxMappingObject(MutableMapping):
 
     r"""Base: :py:class:`collections.MutableMapping`.