Apply suggestion from @chalmerlowe

Author: chalmerlowe

pytest.ini

@@ -17,7 +17,7 @@ filterwarnings =
     ignore:[\n]*.*You are using a Python version.*3\.8:FutureWarning
     # Remove after support for Python 3.9 is dropped:
     ignore:You are using a Python version \(3\.9:FutureWarning
-    ignore:.*You are using a Python version 3\.9:FutureWarning
+    ignore:[\n]*.*You are using a Python version 3\.9:FutureWarning
     ignore:You are using a non-supported Python version \(3\.9:DeprecationWarning
     ignore:You are using a non-supported Python version \(3\.9:FutureWarning
     # Remove after support for Python 3.10 is dropped