diff --git a/models.py b/models.py
index a6904ea..499bc4b 100755
--- a/models.py
+++ b/models.py
@@ -333,7 +333,7 @@ class RenderLayer(object):
 	def render(self):
 		self.material.bind()
 		glPushMatrix()
-		glTranslatef(500.5, 300.5, 0.0)
+		glTranslatef(500.0, 300.0, 0.0)
 		glScalef(*self.scale)
 		self.mesh.draw(self.material.texcoords)
 		glPopMatrix()
diff --git a/universe.py b/universe.py
index bc3b9d2..2635a5d 100755
--- a/universe.py
+++ b/universe.py
@@ -1,5 +1,8 @@
 import models
 import pipeline
+import pygame
+from OpenGL.GL import *
+from py3dutil import vect, quat
 
 class base_universe(object):
 	def __init__(self):