diff --git a/genesis/ext/pyrender/viewer.py b/genesis/ext/pyrender/viewer.py
index c2f2e2d..60ddfee 100644
--- a/genesis/ext/pyrender/viewer.py
+++ b/genesis/ext/pyrender/viewer.py
@@ -16,8 +16,11 @@
 
 from tkinter import Tk
 from tkinter import filedialog
-root = Tk()
-root.withdraw()
+try:
+    root = Tk()
+    root.withdraw()
+except:
+    pass
 
 import pyglet
 from moviepy.video.io.ffmpeg_writer import FFMPEG_VideoWriter