diff --git a/src/arcaea_offline/calculators/world/main.py b/src/arcaea_offline/calculators/world/main.py
index af2f0f2..3b79c58 100644
--- a/src/arcaea_offline/calculators/world/main.py
+++ b/src/arcaea_offline/calculators/world/main.py
@@ -52,6 +52,4 @@ class WorldMainMapCalculators:
         play_rating_sqrt = (
             Decimal(50) * step - Decimal("2.5") * partner_step_value
         ) / (Decimal("2.45") * partner_step_value)
-        return (
-            play_rating_sqrt**2 if play_rating_sqrt >= 0 else -(play_rating_sqrt**2)
-        )
+        return play_rating_sqrt**2 if play_rating_sqrt >= 0 else -(play_rating_sqrt**2)