[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

geometry/geometry.py

@@ -121,7 +121,7 @@ def perimeter(self) -> float:
         >>> Ellipse(5, 10).perimeter
         48.44210548835644
         >>> Ellipse(1, 10).perimeter
-        48.44210548835644        
+        48.44210548835644
         """
         a, b = self.major_radius, self.minor_radius
         # Use Ramanujan's first approximation for ellipse perimeter