diff --git a/turntable/audio.py b/turntable/audio.py
index 9b0e401..e55431d 100644
--- a/turntable/audio.py
+++ b/turntable/audio.py
@@ -64,10 +64,11 @@ class Listener(Process):
                     "Sampler error (length={}, bytes={})".format(length, len(data))
                 )
 
+
 class Player(Process):
     def __init__(
         self,
-            pcm_in: "Queue[PCM]",
+        pcm_in: "Queue[PCM]",
         device: str,
         sample_length: int = 30,
         framerate: int = 44100,
diff --git a/turntable/gui.py b/turntable/gui.py
index c028fe8..e85feed 100644
--- a/turntable/gui.py
+++ b/turntable/gui.py
@@ -116,7 +116,9 @@ def main():
         clock = pygame.time.Clock()
         while True:
             for event in pygame.event.get():
-                if event.type == QUIT or (event.type == KEYDOWN and event.key == K_ESCAPE):
+                if event.type == QUIT or (
+                    event.type == KEYDOWN and event.key == K_ESCAPE
+                ):
                     app.shutdown()
                     pygame.quit()
                     return