Change exposure to visit

python/lsst/ts/externalscripts/maintel/take_twilight_flats_comcam.py

@@ -129,7 +129,7 @@ async def get_sky_counts(self) -> float:
         """
         timeout = 30
         query = f"SELECT * from cdb_lsstcomcam.visit1_quicklook \
-            where exposure_id = {self.latest_exposure_id}"
+            where visit_id = {self.latest_exposure_id}"
         item = "post_isr_pixel_median_median"
         get_counts = functools.partial(
             self.client.wait_for_item_in_row,