SignalFlowOutputDevice: Check patch is successfully added

ideoforms · Sep 15, 2024 · 453aa28 · 453aa28
1 parent 72f3a6c
commit 453aa28
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/isobar/io/signalflow/output.py b/isobar/io/signalflow/output.py
@@ -51,8 +51,8 @@ def create(self, patch_spec, patch_params, output=None):
         patch.set_auto_free(True)
 
         if output:
-            output.add_input(patch)
-            patch.add_to_graph()
+            if patch.add_to_graph():
+                output.add_input(patch)
         else:
             self.graph.play(patch)