Update ndcube/meta.py

ndcube/meta.py

@@ -387,25 +387,8 @@ def __getitem__(self, item):
 
         # Edit data shape and calculate which axis will be dropped.
         dropped_axes = np.zeros(naxes, dtype=bool)
-        new_shape = new_meta.data_shape
-        for i, axis_item in enumerate(item):
-            if isinstance(axis_item, numbers.Integral):
-                dropped_axes[i] = True
-            elif isinstance(axis_item, slice):
-                start = axis_item.start
-                if start is None:
-                    start = 0
-                if start < 0:
-                    start = data_shape[i] - start
-                stop = axis_item.stop
-                if stop is None:
-                    stop = data_shape[i]
-                if stop < 0:
-                    stop = data_shape[i] - stop
-                new_shape[i] = stop - start
-            else:
-                raise TypeError("Unrecognized slice type. "
-                                "Must be an int, slice and tuple of the same.")
+        new_shape = np.broadcast_to(1, new_meta.data_shape)[item].shape
+        dropped_axes = np.array([True if isinstance(axis_item, numbers.Integral) else False for axis_item in item], dtype=bool)
         kept_axes = np.invert(dropped_axes)
         new_meta._data_shape = new_shape[kept_axes]