From e9571b9b9f867d4d95cff61b250dddf9e200c557 Mon Sep 17 00:00:00 2001
From: Sourabh Bajaj <sourabhbajaj@google.com>
Date: Thu, 4 May 2017 12:01:53 -0700
Subject: [PATCH] Cleanup old cython files before testing again

---
 sdks/python/tox.ini | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sdks/python/tox.ini b/sdks/python/tox.ini
index 9c40eb5af8ce..2592b17501ae 100644
--- a/sdks/python/tox.ini
+++ b/sdks/python/tox.ini
@@ -48,6 +48,11 @@ deps =
 whitelist_externals=find
 commands =
   python --version
+  # Clean up all previous cython generated files.
+  - find apache_beam -type f -name '*.c' -delete
+  - find apache_beam -type f -name '*.so' -delete
+  - find target/build -type f -name '*.c' -delete
+  - find target/build -type f -name '*.so' -delete
   pip install -e .[test]
   python apache_beam/examples/complete/autocomplete_test.py
   python setup.py test