Format code with black

tests/test_mounting.py

@@ -3,7 +3,6 @@
 from conftest import step, DT
 from game.traps import Block, Spike
 
-
 PLATFORM_WITH_SPIKE = """
 name: t
 tile_size: 32
@@ -74,8 +73,10 @@ traps:
     for m in plat.mounts:
         assert m._mounted and m.deadly
         # each deadly mount tracks the platform at its offset and is lethal
-        exp = (plat.current_rect().x + m._mount_off[0],
-               plat.current_rect().y + m._mount_off[1])
+        exp = (
+            plat.current_rect().x + m._mount_off[0],
+            plat.current_rect().y + m._mount_off[1],
+        )
         assert (m.current_rect().x, m.current_rect().y) == exp
         assert m.hazard_rects()