diff --git a/roguebasin/events.py b/roguebasin/events.py
index 7d837b4..1cd5077 100644
--- a/roguebasin/events.py
+++ b/roguebasin/events.py
@@ -1,10 +1,12 @@
 #!/usr/bin/env python3
 # Eryn Wells <eryn@erynwells.me>
 
+from typing import Optional
+
 import tcod
+
 from .actions import Action, ExitAction, RegenerateRoomsAction, BumpAction
 from .geometry import Direction
-from typing import Optional
 
 class EventHandler(tcod.event.EventDispatch[Action]):
     def ev_quit(self, event: tcod.event.Quit) -> Optional[Action]:
diff --git a/roguebasin/geometry.py b/roguebasin/geometry.py
index 988f675..83b8c81 100644
--- a/roguebasin/geometry.py
+++ b/roguebasin/geometry.py
@@ -124,4 +124,4 @@ class Rect:
         yield tuple(self.size)
 
     def __str__(self):
-        return f'[{self.origin}, {self.size}]'
\ No newline at end of file
+        return f'[{self.origin}, {self.size}]'
diff --git a/roguebasin/map.py b/roguebasin/map.py
index a9485c6..c66ac63 100644
--- a/roguebasin/map.py
+++ b/roguebasin/map.py
@@ -2,14 +2,16 @@
 # Eryn Wells <eryn@erynwells.me>
 
 import logging
-import numpy as np
 import random
-import tcod
-from .geometry import Direction, Point, Rect, Size
-from .tile import Empty, Floor, Shroud, Wall
 from dataclasses import dataclass
 from typing import Iterator, List, Optional
 
+import numpy as np
+import tcod
+
+from .geometry import Direction, Point, Rect, Size
+from .tile import Empty, Floor, Shroud, Wall
+
 LOG = logging.getLogger('map')
 
 class Map:
diff --git a/roguebasin/object.py b/roguebasin/object.py
index 91f329f..c67343a 100644
--- a/roguebasin/object.py
+++ b/roguebasin/object.py
@@ -1,10 +1,12 @@
 #!/usr/bin/env python3
 # Eryn Wells <eryn@erynwells.me>
 
-import tcod
-from .geometry import Point
 from typing import Optional, Tuple
 
+import tcod
+
+from .geometry import Point
+
 class Entity:
     '''A single-tile drawable entity with a symbol and position.'''
 
@@ -28,4 +30,4 @@ class Entity:
 
 class Hero(Entity):
     def __init__(self, position: Point):
-        super().__init__('@', position=position, fg=tuple(tcod.white))
\ No newline at end of file
+        super().__init__('@', position=position, fg=tuple(tcod.white))