Merge branch '1.0-dev' into guglielmoc/remove_client_side_task_manager

Author: guglielmo-san

src/a2a/server/request_handlers/__init__.py

@@ -13,7 +13,6 @@
     build_error_response,
     prepare_response_object,
 )
-from a2a.server.request_handlers.rest_handler import RESTHandler
 
 
 logger = logging.getLogger(__name__)
@@ -42,7 +41,6 @@ def __init__(self, *args, **kwargs):
 __all__ = [
     'DefaultRequestHandler',
     'GrpcHandler',
-    'RESTHandler',
     'RequestHandler',
     'build_error_response',
     'prepare_response_object',