--- a/tests/tools/run_python_tests.sh	Thu Oct 04 17:24:40 2018 +0300
+++ b/tests/tools/run_python_tests.sh	Fri Oct 05 13:11:28 2018 +0300
@@ -1,17 +1,28 @@
 #!/bin/sh
 
+cleanup()
+{
+    find ./tests/tools -name '*.pyc' -delete
+}
+
 LC_ALL=ru_RU.utf-8
 
 export DISPLAY=:42
 Xvfb $DISPLAY -screen 0 1280x1024x24 &
 sleep 1
 
+
+cleanup
+
 ret=0
 DELAY=400
 KILL_DELAY=$(($DELAY + 30))
 timeout -k $KILL_DELAY $DELAY pytest --timeout=10 ./tests/tools
 ret=$?
 
+cleanup
+
+
 pkill -9 Xvfb
 
 exit $ret