Using Signals - request_finished

I have tried using the request_finished signal but nothing happens when I tried testing it.

What suggestions or recommendations can I do to help fix the problem?

Thank you.

Below is a sample of the signals.py file (sample is taken from djangoproject.com )

###SIGNALS.PY


from django.core.signals import request_finished


def my_callback(sender, **kwargs):
    print("request finished")
   
request_finished.connect(my_callback)

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