Run black for test_container.py

Author: nilaybhatia

tests/test_container.py

@@ -75,14 +75,16 @@ def test_scene_remove():
     scene = Scene()
     container_remove(scene, lambda: scene.mobjects)
 
+
 def test_value_tracker_increment_value():
     """Test ValueTracker.increment_value()"""
     tracker = ValueTracker(0.0)
     tracker.increment_value(10.0)
-    assert(tracker.get_value() == 10.0)
+    assert tracker.get_value() == 10.0
+
 
 def test_value_tracker_iadd():
     """Test ValueTracker.__iadd__()"""
     tracker = ValueTracker(0.0)
     tracker += 10.0
-    assert(tracker.get_value() == 10.0)
+    assert tracker.get_value() == 10.0