Closes #13258: Use callable() built-in in the standard library.
diff --git a/Lib/test/test_nntplib.py b/Lib/test/test_nntplib.py
index a387f61..786b5f0 100644
--- a/Lib/test/test_nntplib.py
+++ b/Lib/test/test_nntplib.py
@@ -4,7 +4,6 @@
import unittest
import functools
import contextlib
-import collections
from test import support
from nntplib import NNTP, GroupInfo, _have_ssl
import nntplib
@@ -246,7 +245,7 @@
if not name.startswith('test_'):
continue
meth = getattr(cls, name)
- if not isinstance(meth, collections.Callable):
+ if not callable(meth):
continue
# Need to use a closure so that meth remains bound to its current
# value