Merge "Allow int version numbers in the clouds.yaml"

Author: Jenkins

openstackclient/shell.py

@@ -280,7 +280,7 @@ def initialize_app(self, argv):
         for mod in clientmanager.PLUGIN_MODULES:
             default_version = getattr(mod, 'DEFAULT_API_VERSION', None)
             option = mod.API_VERSION_OPTION.replace('os_', '')
-            version_opt = self.cloud.config.get(option, default_version)
+            version_opt = str(self.cloud.config.get(option, default_version))
             if version_opt:
                 api = mod.API_NAME
                 self.api_version[api] = version_opt