fix: reference before assignement error
diff --git a/erpnext/www/book-appointment/index.py b/erpnext/www/book-appointment/index.py
index 707be67..1fe1987 100644
--- a/erpnext/www/book-appointment/index.py
+++ b/erpnext/www/book-appointment/index.py
@@ -86,8 +86,8 @@
scheduled_time = convert_to_system_timezone(tz, scheduled_time)
scheduled_time = scheduled_time.replace(tzinfo=None)
# Create a appointment document from form
- appointment.scheduled_time = scheduled_time
appointment = frappe.new_doc('Appointment')
+ appointment.scheduled_time = scheduled_time
contact = json.loads(contact)
appointment.customer_name = contact.get('name',None)
appointment.customer_phone_number = contact.get('number', None)