1 files changed, 7 insertions, 2 deletions
diff --git a/doc/summarize.py b/doc/summarize.py
index dbadb30b3..972e298f4 100755
--- a/doc/summarize.py
+++ b/doc/summarize.py
@@ -8,7 +8,12 @@ Show a summary about which NumPy functions are documented and which are not.
 from __future__ import division, absolute_import, print_function
 
 import os, glob, re, sys, inspect, optparse
-import collections
+try:
+    # Accessing collections abstact classes from collections
+    # has been deprecated since Python 3.3
+    import collections.abc as collections_abc
+except ImportError:
+    import collections as collections_abc
 sys.path.append(os.path.join(os.path.dirname(__file__), 'sphinxext'))
 from sphinxext.phantom_import import import_phantom_module
 
@@ -136,7 +141,7 @@ def get_undocumented(documented, module, module_name=None, skip=[]):
 
         if full_name in skip: continue
         if full_name.startswith('numpy.') and full_name[6:] in skip: continue
-        if not (inspect.ismodule(obj) or isinstance(obj, collections.Callable) or inspect.isclass(obj)):
+        if not (inspect.ismodule(obj) or isinstance(obj, collections_abc.Callable) or inspect.isclass(obj)):
             continue
 
         if full_name not in documented: