update comment

dagster-io · Sep 27, 2023 · 4543a2e · 4543a2e
1 parent 4a18b6e
commit 4543a2e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/python_modules/dagster/dagster/_core/definitions/decorators/asset_decorator.py b/python_modules/dagster/dagster/_core/definitions/decorators/asset_decorator.py
@@ -1322,7 +1322,8 @@ def _make_asset_deps(deps: Optional[Iterable[CoercibleToAssetDep]]) -> Optional[
 
             # we cannot do deduplication via a set because MultiPartitionMappings have an internal
             # dictionary that cannot be hashed. Instead deduplicate by making a dictionary and checking
-            # for existing keys.
+            # for existing keys. If an asset is specified as a dependency more than once, only error if the
+            # dependency is different (ie has a different PartitionMapping)
             if (
                 asset_dep.asset_key in dep_dict.keys()
                 and asset_dep != dep_dict[asset_dep.asset_key]