demo1-getting-started.py converted to python 3 using 2to3 library

demo1-getting-started.py

@@ -50,7 +50,7 @@ def main():
     # make sure to include ex_force_auth_version='3.x_password', as needed in our environment
     provider = get_driver(Provider.OPENSTACK)
 
-    print("Opening connection to %s as %s..." % (auth_url, auth_username))
+    print(("Opening connection to %s as %s..." % (auth_url, auth_username)))
 
     conn = provider(auth_username,
                     auth_password,