fix(type_checking): make sure forwardrefs blank pass type checking

src/specklepy/objects/base.py

@@ -5,6 +5,7 @@ from typing import (
     Any,
     ClassVar,
     Dict,
+    ForwardRef,
     List,
     Optional,
     Set,
@@ -217,6 +218,9 @@ def _validate_type(t: Optional[type], value: Any) -> Tuple[bool, Any]:
             return True, t(value)
 
     if getattr(t, "__module__", None) == "typing":
+        if isinstance(t, ForwardRef):
+            return True, value
+            
         origin = getattr(t, "__origin__")
         # below is what in nicer for >= py38
         # origin = get_origin(t)

tests/unit/test_type_validation.py

@@ -106,6 +106,7 @@ fake_bases = [FakeBase("foo"), FakeBase("bar")]
             True,
             fake_bases,
         ),
+        (List["int"], [2, 3, 4], True, [2, 3, 4])
     ],
 )
 def test_validate_type(