Fixed the interpreter.

diff --git a/build.py b/build.py
index 4c3b766..7df40c0 100755 (executable)
--- a/build.py
+++ b/build.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python-for-pytorch
+#!/usr/bin/env python
 
 #
 #  flatland is a simple 2d physical simulator