Deprecate bresenham function

skimage/draw/__init__.py

@@ -1,5 +1,2 @@
 from ._draw import line, polygon, ellipse, ellipse_perimeter, \
-                   circle, circle_perimeter, set_color
-
-
-bresenham = line
+                   circle, circle_perimeter, set_color, bresenham

skimage/draw/_draw.pyx

@@ -8,6 +8,7 @@ import numpy as np
 cimport numpy as cnp
 from libc.math cimport sqrt
 from skimage._shared.geometry cimport point_in_polygon
+from skimage._shared.utils import deprecated
 
 
 def line(Py_ssize_t y, Py_ssize_t x, Py_ssize_t y2, Py_ssize_t x2):
@@ -73,6 +74,9 @@ def line(Py_ssize_t y, Py_ssize_t x, Py_ssize_t y2, Py_ssize_t x2):
     return rr, cc
 
 
+bresenham = deprecated('skimage.draw.line')(line)
+
+
 def polygon(y, x, shape=None):
     """Generate coordinates of pixels within polygon.