Bugfix: fix final_soqs for LEFT bloqs

quantumlib · Oct 6, 2023 · 1ab6a7d · 1ab6a7d
1 parent 9021b71
commit 1ab6a7d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/qualtran/_infra/composite_bloq.py b/qualtran/_infra/composite_bloq.py
@@ -268,6 +268,8 @@ def final_soqs(self) -> Dict[str, SoquetT]:
 
         This method is helpful for finalizing an "add from" operation, see `iter_bloqsoqs`.
         """
+        if RightDangle not in self._binst_graph:
+            return {}
         final_preds, _ = _binst_to_cxns(RightDangle, binst_graph=self._binst_graph)
         return _cxn_to_soq_dict(
             self.signature.rights(),