diff --git a/passerelle_imio_liege_rn/models.py b/passerelle_imio_liege_rn/models.py
index e545627..87f19bf 100644
--- a/passerelle_imio_liege_rn/models.py
+++ b/passerelle_imio_liege_rn/models.py
@@ -52,6 +52,7 @@ class ImioLiegeRn(BaseResource):
         if request.body is not None and request.body != '':
             json_acceptable_string = request.body.replace("'", "\"")
             data = json.loads(json_acceptable_string)
+            # noinspection PyCompatibility
             str_data = ''.join([u'&{}={}'.format(k,v) for k,v in data.iteritems()])
         response = self.requests.get(self.service_url + nrn + str_data,
                 verify=self.verify_cert,