Simplify conditional.

Author: Kurt Smith

distarray/dist/distarray.py

@@ -269,8 +269,7 @@ def inner_fill(arr, value):
 
     def _reduce(self, local_reduce_name, axes=None, dtype=None, out=None):
 
-        if any(reduce(operator.mul, localshape, 1) == 0 
-               for localshape in self.get_localshapes()):
+        if any(0 in localshape for localshape in self.get_localshapes()):
             raise NotImplementedError("Reduction not implemented for empty LocalArrays")
 
         if out is not None: