diff --git a/physics/collisions.py b/physics/collisions.py
index ce6b0980f..448f23d70 100644
--- a/physics/collisions.py
+++ b/physics/collisions.py
@@ -1,20 +1,22 @@
 # Basic implementation of the collision of two circles.
-def circle_collision(fpos: tuple[float, float, float], spos: tuple[float, float, float]) -> bool:
+def circle_collision(
+    fpos: tuple[float, float, float], spos: tuple[float, float, float]
+) -> bool:
     # difference by XY axes
     dx = fpos[0] - spos[0]
     dy = fpos[1] - spos[1]
-    
-    
+
     # Euclidean distance between the centers of circles
     distance = pow((pow(dx, 2) + pow(dy, 2)), 0.5)
-    
+
     # minimum possible distance between circles, without collision
     min_distance = fpos[2] + fpos[2]
     collide = distance < min_distance
-    
+
     # If actual distance smaller than minimal possible, cirlces collides
     return collide
 
+
 if __name__ == "__main__":
     from doctest import testmod