Clean-up imports.

skytreader · skytreader · commit b22ef4b4eaf7 · 2018-10-14T22:39:09.000+08:00
diff --git a/python/stochastic/random_search.py b/python/stochastic/random_search.py
@@ -3,7 +3,6 @@
 from ..switch import decide
 
 import random
-import sys
 
 """
 2.2
