Disabled unhelpful deprecation warnings for pytest

pytest.ini

+[pytest]
+filterwarnings =
+	# DeprecationWarning from dependencies that we use
+	ignore:`formatargspec` is deprecated since Python 3.5. Use `signature` and the `Signature` object directly:DeprecationWarning
+	ignore:Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3, and in 3.10 it will stop working:DeprecationWarning