derivative, normal, and unit_tangent now generalize to vectors for path segments (not paths)

2020-12-01 22:49:38 -08:00 · 2020-12-01 22:49:38 -08:00 · 44e88d54e5
parent f9febbd85e
commit 44e88d54e5
1 changed files with 1 additions and 1 deletions
--- a/svgpathtools/path.py
+++ b/svgpathtools/path.py
@ -316,7 +316,7 @@ def bezier_unit_tangent(seg, t):
    This can be undone with:
    >>> numpy.seterr(**old_numpy_error_settings)
    """
-    assert 0 <= t <= 1
+
    dseg = seg.derivative(t)

    # Note: dseg might be numpy value, use np.seterr(invalid='raise')