Fixed a documentation error

Author: AlexB

geometry/triangle.py

@@ -41,10 +41,10 @@ class Triangle:
     >>> p1 = Point(-1.0,0.0)
     >>> p2 = Point(1.0,0.0)
     >>> p3 = Point(0.0,1.0)
-    >>> Triangle(p1, p2, p3)
+    >>> Triangle(p1, p2, p3) # doctest: +NORMALIZE_WHITESPACE
     Triangle(v1=Point(x=-1.0, y=0.0), v2=Point(x=1.0, y=0.0), v3=Point(x=0.0, y=1.0),
-        circum=Point(x=0.0, y=0.0), incen=Point(x=0.0, y=0.0),
-        ortho=Point(x=0.0, y=0.0))
+    circum=Point(x=0.0, y=0.0), incen=Point(x=0.0, y=0.0),
+    ortho=Point(x=0.0, y=0.0))
     """
 
     v1: Point = field(default_factory=Point)