Fix exception caused by missing log folder

Change-Id: I3a73cc0366e2c1a9c5965367ea68138f36ff1d63
Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

1 files changed, 1 insertions, 0 deletions

diff --git a/tox.ini b/tox.ini
index 0ca99932..19a2a11e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,7 @@ commands=
     --basetemp={envtmpdir}  \
     {posargs}
 setenv=
+  HOME = {envtmpdir}
   PYTHONPATH = {toxinidir}
 
 [testenv:pep8]