import requests

"""
api_endpoint is the custom endpoint that returns your desired
response based on whether or not Django Server is ready to take
on requests
"""
response = requests.get(api_endpoint)

while response.status_code != 200:
    time.sleep(1) # Sleep for 1 second
    response = requests.get(api_endpoint)

# Once this while loop breaks, this indicates we are good to proceed

if response.status_code == 200:
    # Do rest of your job here