diff --git a/svgpathtools/__init__.py b/svgpathtools/__init__.py
index d0ef37b..47830f4 100644
--- a/svgpathtools/__init__.py
+++ b/svgpathtools/__init__.py
@@ -9,7 +9,7 @@ from .path import (Path, Line, QuadraticBezier, CubicBezier, Arc,
                    path_encloses_pt, bbox2path)
 from .parser import parse_path
 from .paths2svg import disvg, wsvg
-from .polytools import polyroots, rational_limit, real, imag
+from .polytools import polyroots, polytools01, rational_limit, real, imag
 from .misctools import hex2rgb, rgb2hex
 from .smoothing import smoothed_path, smoothed_joint, is_differentiable, kinks