Suppress a warning that is not our fault

nedbat · nedbat · commit acf063cfff09 · 2020-01-04T07:26:51.000-05:00
diff --git a/setup.cfg b/setup.cfg
@@ -5,6 +5,7 @@ markers =
 # How come this warning is suppressed successfully here, but not in conftest.py??
 filterwarnings =
     ignore:dns.hash module will be removed:DeprecationWarning
+    ignore:Using or importing the ABCs:DeprecationWarning
 
 [pep8]
 # E265 block comment should start with '# '
