++

Author: PhilipDeegan

tests/functional/harris/harris_2d.py

@@ -49,9 +49,9 @@ def default_setup():
 
 
 def config(sim = None, timestamps = None, seed = 12334):
-    if not sim:
+    if sim is None:
         sim = default_setup()
-    if not timestamps:
+    if timestamps is None:
         timestamps = default_timestamps()
 
     def density(x, y):