Properly check whether dataframe is empty (#394)

intake · Nov 4, 2021 · 9198159 · 9198159
1 parent f9330d4
commit 9198159
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/intake_esm/cat.py b/intake_esm/cat.py
@@ -315,7 +315,7 @@ def search(
         results = search(
             df=self.df, query=_query.query, columns_with_iterables=self.columns_with_iterables
         )
-        if _query.require_all_on is not None and results:
+        if _query.require_all_on is not None and not results.empty:
             results = search_apply_require_all_on(
                 df=results, query=_query.query, require_all_on=_query.require_all_on
             )