human
Solve the following python programming problem given the following code:
def add_auth_token_to_kwargs_from_env(func) : 
    @ wraps (func) 
    def decorate(* args, **kwargs) : 
        if ((not kwargs.get ('token')) and os.environ.get ('ST2_AUTH_TOKEN', None)) : 
            kwargs ['token'] = os.environ.get ('ST2_AUTH_TOKEN') 
return func (* args, ** kwargs) 
return func 

    
    

    Fix the buggy line: return func
assistant
#Here is Python program to fix the buggy line: return func
.

return def decorate(