Fix execute method of ExecutableTuple (#65)

mars/tensor/core.py

@@ -460,12 +460,12 @@ def visualize(self, graph_attrs=None, node_attrs=None, **kw):
 
 
 class ExecutableTuple(tuple):
-    def execute(self, session=None, n_parallel=None):
+    def execute(self, session=None, **kw):
         from ..session import Session
 
         if session is None:
             session = Session.default_or_local()
-        return session.run(*self, n_parallel=n_parallel)
+        return session.run(*self, **kw)
 
 
 class ChunksIndexer(object):

mars/web/tests/test_api.py

@@ -185,6 +185,12 @@ def testApi(self):
             res = requests.get(service_ep + '/worker')
             self.assertEqual(res.status_code, 200)
 
+        # test default session run with multiple inputs
+        with new_session(service_ep).as_default() as sess:
+            a = mt.ones((20, 10), chunks=10)
+            u, s, v = (mt.linalg.svd(a)).execute()
+            np.testing.assert_allclose(u.dot(np.diag(s).dot(v)), np.ones((20, 10)))
+
 
 class MockResponse:
     def __init__(self, status_code, json_text=None, data=None):