half_day enable/disable check (#14795)

diff --git a/erpnext/hr/doctype/leave_application/leave_application.py b/erpnext/hr/doctype/leave_application/leave_application.py
index 8d6db5c..dd7d19b 100755
--- a/erpnext/hr/doctype/leave_application/leave_application.py
+++ b/erpnext/hr/doctype/leave_application/leave_application.py
@@ -355,7 +355,7 @@
 @frappe.whitelist()
 def get_number_of_leave_days(employee, leave_type, from_date, to_date, half_day = None, half_day_date = None):
 	number_of_days = 0
-	if half_day == 1:
+	if cint(half_day) == 1:
 		if from_date == to_date:
 			number_of_days = 0.5
 		else: