Removed ampersand. Caused problems.

ownchatbot/reward_handlers.py

@@ -65,7 +65,6 @@ def add_to_queue(db, user_id, reward_name):  # Add a reward to the queue
 
 def run_script(reward_name, script_cmd):  # Run a script form a special reward
     try:
-        script_cmd = f'{script_cmd} &'
         subprocess.check_call(script_cmd, shell=True)
     except Exception as scerror:
         current_app.logger.error(f'Couldn\'t run script \"{reward_name}\": {scerror.args[0]}')