add iterator type to get_grouped_daily_aggs return (#337)

* add iterator type to get_grouped_daily_aggs return

* use List type

Co-authored-by: Ricky Barillas <[email protected]>

* revert Iterator type import

Co-authored-by: Ricky Barillas <[email protected]>

Author: ttytm

polygon/rest/aggs.py

@@ -60,7 +60,7 @@ def get_grouped_daily_aggs(
         raw: bool = False,
         market_type: str = "stocks",
         include_otc: bool = False,
-    ) -> Union[GroupedDailyAgg, HTTPResponse]:
+    ) -> Union[List[GroupedDailyAgg], HTTPResponse]:
         """
         Get the daily open, high, low, and close (OHLC) for the entire market.