Dict -> dict in codegen

Author: blast-hardcheese

replit_river/codegen/client.py

@@ -333,7 +333,7 @@ def extract_props(tpe: RiverType) -> list[dict[str, RiverType]]:
                 type.patternProperties["^(.*)$"], prefix, base_model
             )
             typeddict_encoder.append(f"encode_{type_name}(x)")
-            return (f"Dict[str, {type_name}]", type_chunks)
+            return (f"dict[str, {type_name}]", type_chunks)
         assert type.type == "object", type.type
 
         current_chunks: list[str] = [f"class {prefix}({base_model}):"]
@@ -491,7 +491,6 @@ def generate_river_client_module(
         import datetime
         from typing import (
             Any,
-            Dict,
             Literal,
             Optional,
             Mapping,

replit_river/codegen/server.py

@@ -155,8 +155,8 @@ def message_encoder(
     chunks = [
         f"def _{m.name}Encoder(",
         f"  e: {module_name}_pb2.{m.name}",
-        ") -> Dict[str, Any]:",
-        "  d: Dict[str, Any] = {}",
+        ") -> dict[str, Any]:",
+        "  d: dict[str, Any] = {}",
     ]
     # Non-oneof fields.
     oneofs: DefaultDict[int, list[descriptor_pb2.FieldDescriptorProto]] = (
@@ -230,7 +230,7 @@ def generate_river_module(
             f"""\
         # Code generated by river.codegen. DO NOT EDIT.
         import datetime
-        from typing import Any, Dict, Mapping, Tuple
+        from typing import Any, Mapping, Tuple
 
         from google.protobuf import timestamp_pb2
         from google.protobuf.wrappers_pb2 import BoolValue