bpo-44734: Fix floating point precision in test_turtle (GH-30910)

(cherry picked from commit aa78287)

Co-authored-by: Karolina Surma <33810531+befeleme@users.noreply.github.com>

Author: miss-islington

Lib/test/test_turtle.py

@@ -232,7 +232,7 @@ def test_vector_negative(self):
         self.assertVectorsAlmostEqual(-vec, expected)
 
     def test_distance(self):
-        self.assertEqual(abs(Vec2D(6, 8)), 10)
+        self.assertAlmostEqual(abs(Vec2D(6, 8)), 10)
         self.assertEqual(abs(Vec2D(0, 0)), 0)
         self.assertAlmostEqual(abs(Vec2D(2.5, 6)), 6.5)