Avoid divide by zero in persistence code when using default args

diff --git a/gr-wxgui/src/python/fftsink_gl.py b/gr-wxgui/src/python/fftsink_gl.py
index e0306d919302caf335521bf810fbb3518d5a44d6..6cfaeff606b67f83ebc611a62fb82157f2c31f65 100644 (file)
--- a/gr-wxgui/src/python/fftsink_gl.py
+++ b/gr-wxgui/src/python/fftsink_gl.py
@@ -19,6 +19,8 @@
 # Boston, MA 02110-1301, USA.
 #
 
+from __future__ import division
+
 ##################################################
 # Imports
 ##################################################