Removed explicit superclasses that are unnecessary in Python 3.

openmrs.py

@@ -6,7 +6,7 @@ from kivy.clock import Clock
 from kivy.network.urlrequest import UrlRequest
 
 
-class RESTConnection(object):
+class RESTConnection:
     def __init__(self, authority, port, username, password):
         self.authority = authority
         self.port = port
@@ -32,7 +32,7 @@ class RESTConnection(object):
         self.send_request_by_url(url, post_parameters, on_success, on_failure, on_error)
 
 
-class RESTCommunication(object):
+class RESTCommunication:
     def __init__(self, coroutine, rest_connection, on_failure):
         self.generator = coroutine(self)
         self.rest_connection = rest_connection