Not able to create slot

[ashish82]

in this method book_appointment after calling the statement captcha = generate_captcha(request_header)
i printed a log to debug the issue but logs is not printed and i am getting Exception can you please explain me why is this comming,

CODE:
while valid_captcha:
captcha = generate_captcha(request_header)
print('after generate_captcha method') # this is not printed
details['captcha'] = captcha

        print('================================= ATTEMPTING BOOKING ==================================================')

Error Log is :
================================= GETTING CAPTCHA ==================================================
Captcha Response Code: 200
in exception Ashish
maximum recursion depth exceeded