Merge pull request #552 from h-mayorquin/fix_setup_metadata

Fix setup.cfg metadata

Author: jgrewe

setup.cfg

@@ -10,7 +10,7 @@ all_files  = 1
 upload-dir = build/docs
 
 [metadata]
-description-file = README.rst
+description_file = README.rst
 
 [aliases]
 test=pytest