1 files changed, 3 insertions, 0 deletions
diff --git a/run_tests.sh b/run_tests.sh
index 2519d94f6..2cf54c708 100755
--- a/run_tests.sh
+++ b/run_tests.sh
@@ -13,6 +13,9 @@
 
 getopts ":f" FILE_OPTION
 
+# don't write .pyc files this can cause odd unittest results
+export PYTHONDONTWRITEBYTECODE=1
+
 run_flake8() {
     echo "Running flake8 ... "
     logfile=test_results.log