helixish: add a trivial comma (nfc)

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

diff --git a/helixish.py b/helixish.py
index d4d3f6590ff57db1091dc7009c15607927e11e41..398a210719728794ced538b4daab68b76af057ca 100644 (file)
--- a/helixish.py
+++ b/helixish.py
@@ -118,7 +118,7 @@ class HelixishCurve():
       railway_polynomial = [
         2 * (1 + cos(railway_theta - railway_phi)),
         2 * (railway_cos_theta - railway_cos_phi),
-        -1
+        -1,
         ]
       railway_roots = np.roots(railway_polynomial)
       dbg('railway poly, roots:', railway_polynomial, railway_roots)