fixed black

realDuYuanChao · realDuYuanChao · commit f06939948ea2 · 2020-10-22T21:06:34.000+08:00
diff --git a/maths/area.py b/maths/area.py
@@ -6,6 +6,7 @@ def circle_area(radius: float) -> float:
     0.0
     """
     import math
+
     return math.pi * radius * radius
 
 
