nit fix

Author: mittal-ishaan

home/utils/rebate_checker.py

@@ -34,7 +34,7 @@ def is_not_duplicate(student, new_rebate_start, new_rebate_end):
                 < short_rebate.end_date
             ):
                 return False
-        for long_rebate in LongRebate.objects.filteremail__iexact(email=student).all():
+        for long_rebate in LongRebate.objects.filter(email__iexact=student).all():
             if (
                 long_rebate.end_date
                 > new_rebate_start