fix tab (#13651)

diff --git a/erpnext/hr/doctype/department/department.py b/erpnext/hr/doctype/department/department.py
index 68f3405..fda1b69 100644
--- a/erpnext/hr/doctype/department/department.py
+++ b/erpnext/hr/doctype/department/department.py
@@ -18,7 +18,7 @@
 
 	def on_trash(self):
 		super(Department, self).on_trash()
- 		delete_events(self.doctype, self.name)
+		delete_events(self.doctype, self.name)
 
 def on_doctype_update():
 	frappe.db.add_index("Department", ["lft", "rgt"])
\ No newline at end of file