only store password if login worked

edit.py

@@ -142,6 +142,7 @@ if __name__ == '__main__':
                     'password': data['password']
                 }
 
+    update = False
     if not credentials:
         try:
             credentials = ox.web.auth.get(site)
@@ -150,7 +151,7 @@ if __name__ == '__main__':
             print('Please provide your username and password for %s:' % site)
             credentials['username'] = input('Username: ')
             credentials['password'] = getpass.getpass('Password: ')
-            ox.web.auth.update(site, credentials)
+            update = True
 
     api = API(base_url + '/api/')
     r = api.signin(**credentials)
@@ -158,6 +159,8 @@ if __name__ == '__main__':
         for kv in r['data']['errors'].items():
             print('%s: %s' % kv)
         sys.exit(1)
+    if update:
+        ox.web.auth.update(site, credentials)
     print('Edit:', edit_id)
     print('Sort:', sort_by)
     r = api.getEdit(id=edit_id)