Importing newly required stuff

Author: blast-hardcheese

src/replit_river/codegen/client.py

@@ -88,9 +88,11 @@
     Tuple,
     TypedDict,
 )
+from typing_extensions import Annotated
 
-from pydantic import BaseModel, Field, TypeAdapter
+from pydantic import BaseModel, Field, TypeAdapter, WrapValidator
 from replit_river.error_schema import RiverError
+from replit_river.client import RiverUnknownValue, raise_unknown
 
 import replit_river as river