fix:travis errors
diff --git a/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.json b/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.json
index dbdf432..17e754b 100644
--- a/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.json
+++ b/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.json
@@ -101,7 +101,7 @@
   }
  ],
  "issingle": 1,
- "modified": "2019-11-20 11:44:59.629254",
+ "modified": "2019-11-20 15:17:55.617364",
  "modified_by": "Administrator",
  "module": "CRM",
  "name": "Appointment Booking Settings",
diff --git a/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py b/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py
index e817271..82acd93 100644
--- a/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py
+++ b/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py
@@ -10,6 +10,7 @@
 
 
 class AppointmentBookingSettings(Document):
+	agent_list = [] #Hack
 	min_date = '01/01/1970 '
 	format_string = "%d/%m/%Y %H:%M:%S"