FIX: Fix DBNStore.request_symbology end date logic

Author: nmacholl

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 #### Bug fixes
 - Fixed an issue where validating the checksum of a batch file loaded the entire file into memory
+- Fixed an issue where `DBNStore.request_symbology` could request the wrong end date
 
 ## 0.43.0 - 2024-10-09
 

databento/common/dbnstore.py

@@ -771,10 +771,8 @@ def request_symbology(self, client: Historical) -> dict[str, Any]:
         """
         if self.end is None:
             end_date = None
-        elif self.start.date() == self.end.date():
-            end_date = (self.start + pd.Timedelta(days=1)).date()
         else:
-            end_date = self.end
+            end_date = self.end.ceil(freq="D").date()
 
         return client.symbology.resolve(
             dataset=self.dataset,