correct type hints for config init

Author: mrkaye97

hatchet_sdk/loader.py

@@ -25,17 +25,19 @@ def __init__(
 
 class ClientConfig:
     logInterceptor: Logger
+    fallback_host_port = "localhost:7070"
+    fallback_server_url = "https://app.dev.hatchet-tools.com"
 
     def __init__(
         self,
-        tenant_id: str = None,
-        tls_config: ClientTLSConfig = None,
-        token: str = None,
-        host_port: str = "localhost:7070",
-        server_url: str = "https://app.dev.hatchet-tools.com",
+        tenant_id: str | None = None,
+        tls_config: ClientTLSConfig | None = None,
+        token: str | None = None,
+        host_port: str | None = None,
+        server_url: str | None = None,
         namespace: str = None,
-        listener_v2_timeout: int = None,
-        logger: Logger = None,
+        listener_v2_timeout: int | None = None,
+        logger: Logger | None = None,
         grpc_max_recv_message_length: int = 4 * 1024 * 1024,  # 4MB
         grpc_max_send_message_length: int = 4 * 1024 * 1024,  # 4MB
     ):