MAINT: adding deprecationwarning to ignore for direct pytest runs (tox is OK)

Author: bsipocz

setup.cfg

@@ -39,6 +39,8 @@ filterwarnings =
 #   These are temporary measures, all of these should be fixed:
 #   -----------------------------------------------------------
     ignore:distutils Version classes are deprecated:DeprecationWarning
+# Remove along with astropy-helpers, once we switch to a new versioning scheme
+    ignore:Use setlocale:DeprecationWarning
 # Upstream issues in many packages, not clear whether we can do anything about these in astroquery
     ignore:unclosed <socket.socket:ResourceWarning
     ignore:unclosed <ssl.SSLSocket:ResourceWarning