diff --git a/glbackground.py b/glbackground.py
index 951c9b1..1e64e9d 100644
--- a/glbackground.py
+++ b/glbackground.py
@@ -23,6 +23,7 @@ from OpenGL.GL import glEnable, glColor, glVertexPointer, glDrawArrays, glDisabl
 from numpy import array
 from pygame import mouse
 
+
 class GLBackground(GLOrtho):
     margin = 8
     bg_color = (0.0, 0.0, 0.0, 0.6)
@@ -40,5 +41,6 @@ class GLBackground(GLOrtho):
         glDrawArrays(GL_QUADS, 0, 4)
         glDisable(GL_BLEND)
 
+
 class Panel(GLBackground):
     pass