diff --git a/Makefile b/Makefile
index fa301e59..57aa76c4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 lint:
-	pylint -j 6 --rcfile=./.pylintrc ./platformio ./tests
+	pylint -j 6 --rcfile=./.pylintrc ./platformio
 	pylint -j 6 --rcfile=./.pylintrc ./tests
 
 isort:
diff --git a/tests/package/test_manager.py b/tests/package/test_manager.py
index f014a66b..2c331dbe 100644
--- a/tests/package/test_manager.py
+++ b/tests/package/test_manager.py
@@ -349,7 +349,7 @@ def test_uninstall(isolated_pio_core, tmpdir_factory):
     assert lm.uninstall(foo_1_0_0_pkg.path, silent=True)
     assert lm.uninstall(bar_pkg, silent=True)
 
-    assert len(lm.get_installed()) == 0
+    assert not lm.get_installed()
 
     # test uninstall dependencies
     assert lm.install("AsyncMqttClient-esphome @ 0.8.4", silent=True)
@@ -360,7 +360,7 @@ def test_uninstall(isolated_pio_core, tmpdir_factory):
     lm = LibraryPackageManager(str(storage_dir))
     assert lm.install("AsyncMqttClient-esphome @ 0.8.4", silent=True)
     assert lm.uninstall("AsyncMqttClient-esphome", silent=True)
-    assert len(lm.get_installed()) == 0
+    assert not lm.get_installed()
 
 
 def test_registry(isolated_pio_core):