fix executable modules, more documentation

[imago.git] / imago_pack / hough.py

diff --git a/imago_pack/hough.py b/imago_pack/hough.py
index ec8058c..473d750 100644 (file)
--- a/imago_pack/hough.py
+++ b/imago_pack/hough.py
@@ -1,3 +1,5 @@
+"""Hough transform module."""
+
 from math import sin, cos, pi
 
 from PIL import Image