style improvement

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/moebius.py b/moebius.py
index 16e5b2371babea62dd11fb13fa33595bdd1fbf2c..6d0d2bc2dc3ea33cbd7df9985aec435621ac10f6 100644 (file)
--- a/moebius.py
+++ b/moebius.py
@@ -132,7 +132,7 @@ class MoebiusHalf:
     else:
       vec_u = unit_v( m.point(iu+1, t) - p )
       normal = np.cross(vec_u, vec_t)
-    return (p, normal, vec_u, vec_t)
+    return p, normal, vec_u, vec_t
 
   def point_offset(m, iu, t, offset):
     '''