diff -r 1c0884f5506e -r f2dc17b830e0 linetypes.py
--- a/linetypes.py	Sat Jun 08 01:51:50 2019 +0300
+++ b/linetypes.py	Sat Jun 08 11:17:17 2019 +0300
@@ -1,3 +1,8 @@
+#!/usr/bin/env python3
+'''
+    Classes for formally storing LDraw objects
+'''
+
 def ldraw_str(value):
     ' Like str() except removes unneeded ".0"-suffixes '
     rep = str(value)