fix scatter/gather with targets='all'

test included

IPython/parallel/client/view.py

@@ -692,6 +692,9 b' class DirectView(View):'
         block = block if block is not None else self.block
         track = track if track is not None else self.track
         targets = targets if targets is not None else self.targets
+        
+        # construct integer ID list:
+        targets = self.client._build_targets(targets)[1]
 
         mapObject = Map.dists[dist]()
         nparts = len(targets)
@@ -730,6 +733,9 b' class DirectView(View):'
         mapObject = Map.dists[dist]()
         msg_ids = []
 
+        # construct integer ID list:
+        targets = self.client._build_targets(targets)[1]
+        
         for index, engineid in enumerate(targets):
             msg_ids.extend(self.pull(key, block=False, targets=engineid).msg_ids)
 

IPython/parallel/tests/test_view.py

@@ -233,6 +233,15 b' class TestView(ClusterTestCase):'
         view.scatter('a', a)
         b = view.gather('a', block=True)
         assert_array_equal(b, a)
+    
+    def test_scatter_gather_lazy(self):
+        """scatter/gather with targets='all'"""
+        view = self.client.direct_view(targets='all')
+        x = range(64)
+        view.scatter('x', x)
+        gathered = view.gather('x', block=True)
+        self.assertEquals(gathered, x)
+        
 
     @dec.known_failure_py3
     @skip_without('numpy')