diff --git a/workbench-script.py b/workbench-script.py
old mode 100755
new mode 100644
index fa36f7d..d70bb71
--- a/workbench-script.py
+++ b/workbench-script.py
@@ -310,9 +310,6 @@ def save_snapshot_in_disk(snapshot, path, snap_uuid):
 def send_snapshot_to_devicehub(snapshot, token, url):
     url_components = urllib.parse.urlparse(url)
 
-    if isinstance(snapshot, str):
-        snapshot = json.loads(snapshot)
-
     ev_path = "evidence/{}".format(snapshot["uuid"])
     components = (url_components.scheme, url_components.netloc, ev_path, '', '', '')
     ev_url = urllib.parse.urlunparse(components)