update to version 3.8.1

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-Markdown?expand=0&rev=102

markdown-3.0-python37.patch

@@ -0,0 +1,14 @@
+---
+ tests/test_legacy.py |    1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/tests/test_legacy.py
++++ b/tests/test_legacy.py
+@@ -28,6 +28,7 @@ warnings.simplefilter('error')
+ # Except for the warnings that shouldn't
+ warnings.filterwarnings('default', category=PendingDeprecationWarning)
+ warnings.filterwarnings('default', category=DeprecationWarning, module='markdown')
++warnings.filterwarnings('default', category=DeprecationWarning, module='yaml')
+ 
+ parent_test_dir = os.path.abspath(os.path.dirname(__file__))
+