human
Solve the following python programming problem given the following code:
@ extensionclassmethod (Observable) 
def generate_with_relative_time(cls, initial_state, condition, iterate, result_selector, time_selector, scheduler = None) : 
    'Generates an observable sequence by iterating a state from an
    initial state until the condition fails.

    res = source.generate_with_relative_time(0,
        lambda x: True,
        lambda x: x + 1,
        lambda x: x,
        lambda x: 500)

    initial_state -- Initial state.
    condition -- Condition to terminate generation (upon returning false).
    iterate -- Iteration step function.
    result_selector -- Selector function for results produced in the
        sequence.
    time_selector -- Time selector function to control the speed of values
        being produced each iteration, returning integer values denoting
        milliseconds.
    scheduler -- [Optional] Scheduler on which to run the generator loop.
        If not specified, the timeout scheduler is used.

    Returns the generated sequence.
    ' 
    scheduler = (scheduler or timeout_scheduler) 
    def subscribe(observer) : 
        state = [initial_state] 
        has_result = [False] 
        result = [None] 
        first = [True] 
        time = None 
        def action(this) : 
            if has_result [0] : 
                observer.on_next (result [0]) 
try : 
                if first [0] : 
                    first [0] = False 
else : 
                    state [0] = iterate (state [0]) 
has_result [0] = condition (state [0]) 
                if has_result [0] : 
                    result [0] = result_selector (state [0]) 
                    time = time_selector (state [0]) 
except Exception as e : 
                observer.on_error (e) 
                return 
if has_result [0] : 
                this (time) 
else : 
                observer.on_completed () 
return scheduler.schedule_recursive_with_relative (0, action) 
return AnonymousObservable (cls) 

    
    

    Fix the buggy line: return AnonymousObservable (cls)
assistant
#Here is Python code to fix the buggy line: return AnonymousObservable (cls)
.

return AnonymousObservable (def subscribe()