# HG changeset patch
# User Mike Miller <mtmiller@octave.org>
# Date 1442710651 -7200
# Node ID f6fec9453ac97e86cf4541a580258b0c446ea807
# Parent  6552040d6d4c25d4bd37989d51ebc556f8937781
pytave.py: Second attempt to make pytave.py compatible

diff -r 6552040d6d4c -r f6fec9453ac9 package/pytave.py
--- a/package/pytave.py	Sun Sep 20 02:41:36 2015 +0200
+++ b/package/pytave.py	Sun Sep 20 02:57:31 2015 +0200
@@ -23,7 +23,11 @@
 import _pytave
 import atexit
 import sys
-import collections
+
+try:
+    from collections.abc import MutableMapping
+except:
+    from UserDict import DictMixin as MutableMapping
 
 arg0 = sys.argv[0]
 # Some web application packages, such as mod_wsgi for Apache,
@@ -244,7 +248,7 @@
     """Equivalent to pkg unload. See Octave documentation."""
     return _pytave.feval(0, "pkg", ("unload", pkg_name))
 
-class _VariablesDict(collections.MutableMapping):
+class _VariablesDict(MutableMapping):
     def __init__(self, global_variables, native=False):
         self.global_variables = global_variables
         self.native = native