🐛 correct charts in old WDI (#3343)

* empty * improve err message * 🐛 don't get slugs of unpublished charts --------- Co-authored-by: lucasrodes <[email protected]> Co-authored-by: Marigold <[email protected]>
owid · Oct 1, 2024 · ac6606d · ac6606d
1 parent c9c1238
commit ac6606d
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/apps/wizard/app_pages/chart_diff/chart_diff.py b/apps/wizard/app_pages/chart_diff/chart_diff.py
@@ -139,7 +139,11 @@ def slug(self) -> str:
         If slug of the chart miss-matches between target and source sessions, an error is displayed.
         """
         if self.target_chart:
-            assert self.source_chart.slug == self.target_chart.slug, "Slug mismatch!"
+            # Only published charts have slugs
+            if self.target_chart.publishedAt is not None:
+                assert (
+                    self.source_chart.slug == self.target_chart.slug
+                ), f"Slug mismatch! {self.source_chart.slug} != {self.target_chart.slug}"
         return self.source_chart.slug or "no-slug"
 
     @property