Remove venv before building on OS X

bfirsh · bfirsh · commit f5cf9b60b2d1 · 2014-03-04T11:51:12.000Z
diff --git a/script/build-osx b/script/build-osx
@@ -1,5 +1,6 @@
 #!/bin/bash
 set -ex
+rm -r venv
 virtualenv venv
 venv/bin/pip install pyinstaller==2.1
 venv/bin/pip install .
