Update to latest bitcoinrpc

plugins/disabled-Zeroname-local/bitcoinrpc/authproxy.py

@@ -137,9 +137,8 @@ class AuthServiceProxy(object):
         self.__conn.sock.settimeout(self.__timeout)
 
         response = self._get_response()
-        if 'error' in response:
-            if response['error'] is not None:
-                raise JSONRPCException(response['error'])
+        if response.get('error') is not None:
+            raise JSONRPCException(response['error'])
         elif 'result' not in response:
             raise JSONRPCException({
                 'code': -343, 'message': 'missing JSON-RPC result'})