fixing splitter_final

Author: djarecka

pydra/engine/state.py

@@ -132,10 +132,7 @@ def splitter_rpn_final(self):
 
     @property
     def splitter_final(self):
-        if self.combiner:
-            return hlpst.rpn2splitter(self.splitter_rpn_final)
-        else:
-            return self.splitter
+        return hlpst.rpn2splitter(self.splitter_rpn_final)
 
     @property
     def splitter_rpn(self):

pydra/engine/tests/test_state.py

@@ -1401,7 +1401,6 @@ def test_state_connect_combine_left_2():
     assert st2.inputs_ind == [{"NB.b": 0}, {"NB.b": 1}, {"NB.b": 2}, {"NB.b": 3}]
 
 
-@pytest.mark.xfail(reason="to fix")
 def test_state_connect_combine_left_3():
     """ three serially 'connected' states,
         the first one has outer splitter,