Small fixes for Warnings found by PyCharm, mostly spellingerrors.

src/mahjong_ranking/managers.py

@@ -74,12 +74,13 @@ class HanchanManager(models.Manager):
         [hanchan.get_playerdata(user) for hanchan in queryset]
         return queryset
 
-    def season_hanchans(self, user=None, season=None, until=None):
+    def season_hanchans(self, user: object = None, season: int = None, until: date = None):
         """Return all Hanchans that belong to a given or the current season.
 
         :param user: Only return Hanchans where this user participated.  
-        :param season: the year of the wanted season, current year if None. 
-        :return: QuerySet Object 
+        :param season: the year of the wanted season, current year if None.
+        :param until: only return hanchans played until the given date.
+        :return: QuerySet Object
         """
         try:
             season = season or until.year
@@ -92,6 +93,7 @@ class HanchanManager(models.Manager):
 
         :param user: Return Hanchans where this user participated.  
         :param since: only return Hanchans played since the given datetime
+        :param until: only return hanchans played until the given date.
         :param filter_args: To add specific arguments to the Django filter.
         :return: a QuerySet Object
         """
@@ -199,10 +201,8 @@ class SeasonRankingManager(models.Manager):
 class KyuDanRankingManager(models.Manager):
     def json_data(self):
         """ Get all Rankings for a given Season and return them as a list of
-        dict objects, suitable for JSON exports and other processings.
-
-        :param season: Season that should be exported, current season if empty 
-        :return: a list() of dict() objects suiteable for JSON export. 
+        dict objects, suitable for JSON exports and other processing.
+        :return: a list() of dict() objects suitable for JSON export.
         """
         json_data = list()
         values = self.all()