Correct log message inside openstack module
Corrected log message for scale_wait method. Log message was not
logged properly because the format specifiers were not specified
correctly.
@@ -371,7 +371,7 @@ class OpenStack(abstract_driver.VnfAbstractDriver,
LOG.warning(error_reason)
break
error_reason = _(
- "VNF scaling failed to complete within %{wait}s seconds "
+ "VNF scaling failed to complete within %(wait)s seconds "
"while waiting for the stack %(stack)s to be "
"scaled.") % {'stack': stack_id,
'wait': self.STACK_RETRIES *
