diff --git a/py3/__init__.py b/py3/__init__.py
index 4e1c01f..e3cb261 100644
--- a/py3/__init__.py
+++ b/py3/__init__.py
@@ -2660,7 +2660,7 @@ def __init__(self, computation, nodes=None, depends=[], job_status=None, cluster
             if inspect.isfunction(setup):
                 if setup.__defaults__:
                     print('\n  dispy does not support calling "setup" with keyword arguments\n')
-                depends.append(setup)
+                depends.insert(0, setup)
                 compute.setup = setup.__name__
                 compute.setup_args_count = setup.__code__.co_argcount
             elif isinstance(setup, functools.partial):
@@ -2761,8 +2761,9 @@ def __init__(self, computation, nodes=None, depends=[], job_status=None, cluster
 
             elif (inspect.isfunction(dep) or inspect.isclass(dep) or
                   (hasattr(dep, '__class__') and hasattr(dep, '__module__'))):
+                immediate=None
                 if inspect.isfunction(dep) or inspect.isclass(dep):
-                    pass
+                    immediate = dep.__name__ if dep.__name__.startswith('nodeinit_') else None
                 elif hasattr(dep, '__class__') and inspect.isclass(dep.__class__):
                     dep = dep.__class__
                 try:
@@ -2772,6 +2773,8 @@ def __init__(self, computation, nodes=None, depends=[], job_status=None, cluster
                     raise
                 lines[0] = lines[0].lstrip()
                 compute.code += '\n' + ''.join(lines)
+                if immediate:
+                    compute.code += '\n' + immediate + '()\n'
             elif isinstance(dep, functools.partial):
                 try:
                     lines = inspect.getsourcelines(dep.func)[0]
diff --git a/py3/examples/obj_instances.py b/py3/examples/obj_instances.py
index 0ac7c21..9696ca9 100644
--- a/py3/examples/obj_instances.py
+++ b/py3/examples/obj_instances.py
@@ -1,6 +1,9 @@
 # example program that sends object instances in local program
 # as arguments to distributed computation
-class C:
+# Also shows use of nodeinit_ feature to ensure that cmd module is immediately imported so that class C can extend cmd.Cmd on the node
+import cmd
+
+class C(cmd.Cmd):
     def __init__(self, i, n):
         self.i = i
         self.n = n
@@ -17,7 +20,11 @@ def compute(obj):
 
 if __name__ == '__main__':
     import random, dispy
-    cluster = dispy.JobCluster(compute, depends=[C])
+    def nodeinit_setup():
+        global cmd
+        import cmd
+        return 0
+    cluster = dispy.JobCluster(compute, depends=[C], setup=nodeinit_setup)
     jobs = []
     for i in range(10):
         c = C(i, random.uniform(1, 3)) # create object of C