Fix collections ABCs deprecation warning.

Signed-off-by: Jintao Zhang <zhangjintao9020@gmail.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/tests/unit/test_plugin_type_manager.py b/tests/unit/test_plugin_type_manager.py
index 388cd8d..18058d4 100644
--- a/tests/unit/test_plugin_type_manager.py
+++ b/tests/unit/test_plugin_type_manager.py
@@ -1,5 +1,5 @@
 """Tests for flake8.plugins.manager.PluginTypeManager."""
-import collections
+import sys
 
 import mock
 import pytest
@@ -7,6 +7,11 @@ import pytest
 from flake8 import exceptions
 from flake8.plugins import manager
 
+if sys.version_info >= (3, 3):
+    import collections.abc as collections_abc
+else:
+    import collections as collections_abc
+
 TEST_NAMESPACE = "testing.plugin-type-manager"
 
 
@@ -86,7 +91,7 @@ def test_generate_call_function():
         'method_name', optmanager,
     )
 
-    assert isinstance(func, collections.Callable)
+    assert isinstance(func, collections_abc.Callable)
     assert func(plugin) is optmanager