[FIX] PAYROLL: Fixed allowance range issue

employee/views.py

@@ -116,6 +116,11 @@ from payroll.models.models import (
 from pms.models import Feedback
 from recruitment.models import Candidate, InterviewSchedule, Recruitment, Stage
 
+
+def return_none(a, b):
+    return None
+
+
 operator_mapping = {
     "equal": operator.eq,
     "notequal": operator.ne,
@@ -124,6 +129,7 @@ operator_mapping = {
     "le": operator.le,
     "ge": operator.ge,
     "icontains": operator.contains,
+    "range": return_none,
 }
 filter_mapping = {
     "work_type_id": {