Default processes should be 1

Author: Markus Lippus

dask_cloudprovider/gcp/instances.py

@@ -336,7 +336,7 @@ def __init__(
         *args,
         worker_class: str = "distributed.cli.dask_worker",
         worker_options: dict = {},
-        n_worker_procs,
+        n_worker_procs: int = 1,
         **kwargs,
     ):
         super().__init__(**kwargs)