Remove Python minor version.

Test: bisection_test, run_jfuzz_test
Change-Id: Idee4e0d4e676de61256f2c5f78b584b96b65461d
diff --git a/tools/bisection_search/bisection_search.py b/tools/bisection_search/bisection_search.py
index 27bd599..a1ac72d 100755
--- a/tools/bisection_search/bisection_search.py
+++ b/tools/bisection_search/bisection_search.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3.4
+#!/usr/bin/env python3
 #
 # Copyright (C) 2016 The Android Open Source Project
 #