converting python nested object into json

[o***@gmail.com]

how to solve this error?

class error:
def __init__(self):
self.errorCode="server issue"
self.errorMessage="201"



class BaseRespone():

def __init__(self):
self.success = "data fetch successfully"
self.data
<http://disq.us/url?url=http%3A%2F%2Fself.data%3AKodzQoyqQo3rt1_ddERBA0lp294&cuid=5003970>
={"succss":"msg"}
self.error1 = error()



bs = BaseRespone()
json_string = json.dumps(bs.__dict__)
json_string1= json.loads(json_string)

after executing this code i am gettig this code

TypeError: Object of type 'error' is not JSON serializable

[Jason]

First, this group is for django-rest-framework, and this question is basic
Python. Second, that error is a common one and easily findable when you
look in google or bing. eg,
https://stackoverflow.com/questions/10872604/json-dump-throwing-typeerror-is-not-json-serializable-on-seemingly-vali