fix option name bug

src/python/dm/ds_web_service/cli/getExperimentCli.py

 #!/usr/bin/env python
 
 from dm.common.exceptions.invalidRequest import InvalidRequest
-from dm.ds_web_service.api.userRestApi import ExperimentRestApi
+from dm.ds_web_service.api.experimentRestApi import ExperimentRestApi
 from dsWebServiceSessionCli import DsWebServiceSessionCli
 
 class GetExperimentCli(DsWebServiceSessionCli):
@@ -11,8 +11,8 @@ class GetExperimentCli(DsWebServiceSessionCli):
         self.addOption('', '--name', dest='name', help='Experiment name. Either id or name must be provided. If both are provided, id takes precedence.')
 
     def checkArgs(self):
-        if self.options.id is None and self.options.username is None:
-            raise InvalidRequest('Either user id or username must be provided.')
+        if self.options.id is None and self.options.name is None:
+            raise InvalidRequest('Either experiment id or name must be provided.')
 
     def getId(self):
         return self.options.id