TST: Import abstract classes from collections.abc

Abstract collection classes accessed from the collections module
have been deprecated since Python 3.3. They should be
accessed through collections.abc. When run with Python
3.7, the deprecation warning cause multiple tests to
fail.

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: