REVERT fileslice modifications

Author: effigies

nibabel/fileslice.py

@@ -54,10 +54,6 @@ def is_fancy(sliceobj):
         # slice or Ellipsis or None OK for  basic
         if isinstance(slicer, slice) or slicer in (None, Ellipsis):
             continue
-        # Allow single items in a dimension to be sliced
-        ary = np.asanyarray(slicer)
-        if ary.shape == (1,):
-            slicer = ary[0]
         try:
             int(slicer)
         except TypeError:
@@ -117,16 +113,9 @@ def canonical_slicers(sliceobj, shape, check_inds=True):
             can_slicers.extend((slice(None),) * n_ellided)
             n_real += n_ellided
             continue
-        # int / [int] / slice indexing cases
+        # int / slice indexing cases
         dim_len = shape[n_real]
         n_real += 1
-
-        # Treat [x] as "x:x+1"
-        ary = np.asanyarray(slicer)
-        if ary.shape == (1,):
-            can_slicers.append(slice(int(ary[0]), int(ary[0]) + 1))
-            continue
-
         try:  # test for integer indexing
             slicer = int(slicer)
         except TypeError:  # should be slice object