changed pos = [] to *pos in date_parser decorator

fincal/core.py

@@ -17,14 +17,14 @@ class Frequency:
     symbol: str
 
 
-def date_parser(pos):
+def date_parser(*pos):
     def parse_dates(func):
         def wrapper_func(*args, **kwargs):
             date_format = kwargs.get("date_format", None)
             args = list(args)
             sig = inspect.signature(func)
             params = [i[0] for i in sig.parameters.items()]
-            # print(params)
+
             for j in pos:
                 kwarg = params[j]
                 date = kwargs.get(kwarg, None)

fincal/fincal.py

@@ -184,7 +184,7 @@ class TimeSeries(TimeSeriesCore):
 
         return self.__class__(new_ts, frequency=self.frequency.symbol)
 
-    @date_parser(pos=[1])
+    @date_parser(1)
     def calculate_returns(
         self,
         as_on: Union[str, datetime.datetime],
@@ -277,7 +277,7 @@ class TimeSeries(TimeSeriesCore):
             returns = returns ** (1 / years)
         return (current[0] if return_actual_date else as_on), returns - 1
 
-    @date_parser(pos=[1, 2])
+    @date_parser(1, 2)
     def calculate_rolling_returns(
         self,
         from_date: Union[datetime.date, str],