Check for empty tables in zoom poll results (#897)

Co-authored-by: Jason Walker <[email protected]>
move-coop · Oct 2, 2023 · 5ae1c5b · 5ae1c5b
1 parent 7ac73e2
commit 5ae1c5b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/parsons/zoom/zoom.py b/parsons/zoom/zoom.py
@@ -151,6 +151,8 @@ def __process_poll_results(self, tbl: Table) -> Table:
         `Returns`:
             Parsons Table
         """
+        if tbl.num_rows == 0:
+            return tbl
 
         # Add surrogate key
         tbl.add_column("poll_taker_id", lambda _: str(uuid.uuid4()))