Address comments.

Author: Robert D. Vincent

nibabel/externals/netcdf.py

@@ -608,7 +608,7 @@ def _read_var_array(self):
                     self.fp.seek(begin_)
                     data = fromstring(self.fp.read(a_size), dtype=dtype_)
                     # Avoid exception for empty variables.
-                    if len(data.shape) != 1 or data.shape[0] != 0:
+                    if data.shape != (0,):
                         data.shape = shape
 
                     self.fp.seek(pos)