Fix i18n issue

 This patch fix some i18n issues in the files vapi/compute_v2.py.

Change-Id: Ic4da472ca585a35ce64512cf0e72e2fe9d4c9d6e

Author: liuyamin

openstackclient/api/compute_v2.py

@@ -52,7 +52,7 @@ def _check_integer(self, value, msg=None):
             value = int(value)
         except (TypeError, ValueError):
             if not msg:
-                msg = "%s is not an integer" % value
+                msg = _("%s is not an integer") % value
             raise InvalidValue(msg)
         return value