fix broken launch

Author: Jean A. Senellart

CHANGELOG.md

@@ -1,3 +1,8 @@
+## Unreleased
+
+## Fixes and improvements
+* Fix broken 'trans'
+
 ## [v0.4.0](https://github.com/OpenNMT/nmt-wizard/releases/tag/v0.4.0) (2018-09-19)
 
 ### New features

client/launcher.py

@@ -298,7 +298,7 @@ def process_request(serviceList, cmd, is_json, args, auth=None):
             content["iterations"] = args.iterations
         if args.priority:
             content["priority"] = args.priority
-        if args.totranslate:
+        if 'totranslate' in args and args.totranslate:
             content["totranslate"] = args.totranslate
 
         logger.debug("sending request: %s", json.dumps(content))