uio/ioo: fix specials

diff --git a/migen/uio/ioo.py b/migen/uio/ioo.py
index 1393d915058f028c1147d722bb66395f1f25add3..e6c954b5592cb88efbbf6815f899da28399a37f0 100644 (file)
--- a/migen/uio/ioo.py
+++ b/migen/uio/ioo.py
@@ -15,7 +15,7 @@ class UnifiedIOObject(Actor):
                self._memories = set(v for v in self.buses.values() if isinstance(v, Memory))
        
        def get_fragment(self):
-               return Fragment(specials={self._memories})
+               return Fragment(specials=self._memories)
 
 (_WAIT_COMPLETE, _WAIT_POLL) = range(2)