A small fixes of init_cmd and locally launched commands

src/cluster/cluster.py

@@ -128,7 +128,7 @@ def start_process(
         workdir = os.getcwd()
     workdir = os.path.abspath(workdir)
 
-    init_cmd = init_cmd if init_cmd is not None else init_cmd
+    init_cmd = init_cmd if init_cmd is not None else []
     init_cmd = list(init_cmd)
     if modules is not None:
         init_cmd += [f"ml {' '.join(modules)}"]
@@ -160,7 +160,7 @@ ps -ho pgid $!
 """.strip()
 
     cmd_args = []
-    if host:
+    if not is_local(host):
         cmd_args += ["ssh", host]
     else:
         cmd_args += ["setsid"]