[Solved] Identify the error in this signal connection code: from django.db.models.signals import post_save def my_handler(sender, instance, **kwargs): print("Saved") post_save.connect(my_handler) | Django

Django - Signals

Identify the error in this signal connection code:

from django.db.models.signals import post_save

def my_handler(sender, instance, **kwargs):
    print("Saved")

post_save.connect(my_handler)

AHandler function missing required parameters

BMissing sender argument in connect call

Cpost_save signal cannot be connected this way

DNo error; code is correct

Step-by-Step Solution

Solution:

Step 1: Check connect call parameters
The connect method usually requires a sender argument to specify which model triggers the signal.
Step 2: Identify missing sender
In this code, sender is not provided, so the handler connects to all senders, which may be unintended.
Final Answer:
Missing sender argument in connect call -> Option B
Quick Check:
Always specify sender unless global catch needed [OK]

Quick Trick: Always specify sender in connect unless global [OK]

Common Mistakes:

MISTAKES

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