diff --git a/Makefile b/Makefile
index f2a4199b..1b4a8451 100644
--- a/Makefile
+++ b/Makefile
@@ -63,6 +63,7 @@ deployTest: .venv
 	python3 -m twine upload --repository testpypi tmp/dist/* --verbose
 
 test: .venv
+	tools/check.import.sh
 	. .venv/bin/activate ; \
 	flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude .venv,build,tmp ; \
 	pytest demo/demo.py
diff --git a/tools/check.import.sh b/tools/check.import.sh
index 8fdd1923..5a5a5906 100755
--- a/tools/check.import.sh
+++ b/tools/check.import.sh
@@ -14,6 +14,9 @@ __check(){
             -e "log.py:from collections.abc import Callable, Set" \
             -e "from time" -e "input.py:import platform" \
             -e "readinputlinux.py:import sys, os, select" \
+            -e "readinputlinux_thread.py:import sys, os, select" \
+            -e "readinputlinux_thread.py:import threading" \
+            -e "readinputlinux_thread.py:import queue" \
             -e "term.py:import sys, os, signal" \
             -e "ttk.py:import signal" \
             -e "ttk.py:import time" \