MC: small tweaks from reviewer comments

skimage/measure/_marching_cubes_classic.py

@@ -255,7 +255,7 @@ def correct_mesh_orientation(volume, verts, faces, spacing=(1., 1., 1.),
 
     """
     warn(DeprecationWarning("`correct_mesh_orientation` is deprecated for "
-                            "removal as `marching_cubes`_classic now "
+                            "removal as `marching_cubes_classic` now "
                             "guarantees correct mesh orientation."))
 
     verts = verts.copy()

skimage/measure/_marching_cubes_lewiner.py

@@ -17,7 +17,7 @@ from . import _marching_cubes_lewiner_cy
 from .._shared.utils import skimage_deprecation, warn
 
 
-def expected_output_args():
+def _expected_output_args():
     """ Get number of expected output args.
     
     Please don't use this to influence the algorithmic bahaviour of a function.
@@ -129,7 +129,7 @@ def marching_cubes(volume, level=None, spacing=(1., 1., 1.),
     
     # This signature (output args) of this func changed after 0.12
     try:
-        nout = expected_output_args()
+        nout = _expected_output_args()
     except Exception:
         nout = 0
     if nout <= 2:

skimage/measure/tests/test_marching_cubes.py

@@ -6,7 +6,7 @@ from skimage.draw import ellipsoid, ellipsoid_stats
 from skimage.measure import (marching_cubes,
                              marching_cubes_classic, marching_cubes_lewiner,
                              mesh_surface_area, correct_mesh_orientation)
-from skimage.measure._marching_cubes_lewiner import expected_output_args
+from skimage.measure._marching_cubes_lewiner import _expected_output_args
 
 
 def test_expected_output_args():
@@ -14,7 +14,7 @@ def test_expected_output_args():
     res = []
     
     def foo():
-        nout = expected_output_args()
+        nout = _expected_output_args()
         print(nout)
         res.append(nout)
         return [nout] * int(nout)