GH1025 Typehint DataFrame.groupby.value_counts method#1027

Dr-Irv merged 2 commits intopandas-dev:mainpandas-dev/pandas-stubs:mainfrom

loicdiridollou:gh1025_value_counts_groupbyloicdiridollou/pandas-stubs:gh1025_value_counts_groupbyCopy head branch name to clipboard