MAINT: PEP8 fixes and _interpolation_test.pyx -> interpolation.pyx rename

skimage/transform/_warps.py

@@ -49,8 +49,8 @@ def resize(image, output_shape, order=1, mode='constant', cval=0, clip=True,
         Whether to keep the original range of values. Otherwise, the input
         image is converted according to the conventions of `img_as_float`.
 
-    Notes
-    -----
+    Note
+    ----
     Modes 'mirror' and 'reflect' are similar, but differ in whether the edge
     voxels are duplicated during the reflection.  As an example, if an array
     has values [0, 1, 2] and was padded to the right by four values using