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chanzuckerberg · May 1, 2024 · 88bf8f5 · 88bf8f5
1 parent df875cd
commit 88bf8f5
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/WDL/Value.py b/WDL/Value.py
@@ -579,6 +579,7 @@ def from_json(type: Type.Base, value: Any) -> Base:
                     raise Error.InputError(
                         f"couldn't initialize struct {str(type)} {type.members[k]} {k} from {json.dumps(v)}"
                     ) from None
+        # Struct.__init__ will populate null for any omitted optional members
         return Struct(type, items, extra=extra)
     if type.optional and value is None:
         return Null()

diff --git a/WDL/_parser.py b/WDL/_parser.py
@@ -257,7 +257,9 @@ def left_name(self, meta, items) -> Expr.Base:
         return Expr.Get(self._sp(meta), Expr._LeftName(self._sp(meta), items[0]), None)
 
     def get_name(self, meta, items) -> Expr.Base:
-        assert len(items) == 2 and isinstance(items[0], Expr.Base) and isinstance(items[1].value, str)
+        assert (
+            len(items) == 2 and isinstance(items[0], Expr.Base) and isinstance(items[1].value, str)
+        )
         return Expr.Get(self._sp(meta), items[0], items[1].value)