Merge pull request #6170 from blueyed/imp

filterwarnings: ignore DeprecationWarning from nose

Author: nicoddemus

tox.ini

@@ -138,6 +138,7 @@ xfail_strict=true
 filterwarnings =
     error
     default:Using or importing the ABCs:DeprecationWarning:unittest2.*
+    default:the imp module is deprecated in favour of importlib:DeprecationWarning:nose.*
     ignore:Module already imported so cannot be rewritten:pytest.PytestWarning
     # produced by python3.6/site.py itself (3.6.7 on Travis, could not trigger it with 3.6.8).
     ignore:.*U.*mode is deprecated:DeprecationWarning:(?!(pytest|_pytest))