Remove default argument.

Ben Cipollini · Ben Cipollini · commit e9298cfc9aa6 · 2015-03-12T16:18:18.000-07:00
diff --git a/nibabel/funcs.py b/nibabel/funcs.py
@@ -88,7 +88,7 @@ def squeeze_image(img):
                  img.extra)
 
 
-def _shape_equal_excluding(shape1, shape2, exclude_axes=None):
+def _shape_equal_excluding(shape1, shape2, exclude_axes):
     """ Helper function to compare two array shapes, excluding any
     axis specified."""
 
