[minor] [demo] do not allow creation of newsletter
diff --git a/utilities/demo/make_erpnext_demo.py b/utilities/demo/make_erpnext_demo.py
index b6c22c2..f3e7f3e 100644
--- a/utilities/demo/make_erpnext_demo.py
+++ b/utilities/demo/make_erpnext_demo.py
@@ -36,6 +36,11 @@
 		})
 
 	p.save()
+	
+	# only read for newsletter
+	webnotes.conn.sql("""update `tabDocPerm` set `write`=0, `create`=0, `cancel`=0
+		where parent='Newsletter'""")
+	
 	webnotes.conn.commit()
 
 def make_demo_login_page():