Merge pull request #226 from mjstamper/master

New Feature: Added previous_season to the Season Parameter

Author: swar

nba_api/stats/library/parameters.py

@@ -612,7 +612,10 @@ class SeasonYearNullable(_NotRequired, SeasonYear):
 class Season(SeasonYear):
     current_season_year = SeasonYear.current_season_year
     current_season = '{}-{}'.format(current_season_year, str(current_season_year + 1)[2:])
-
+    
+    #get last Season
+    previous_season = '{}-{}'.format(current_season_year-1, str(current_season_year)[2:])
+    
     default = current_season