Fix usage of SignalRW.read_widget

epics-containers · Feb 20, 2024 · 2acbca2 · 2acbca2
1 parent 75e415d
commit 2acbca2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/pvi/_format/screen.py b/src/pvi/_format/screen.py
@@ -454,7 +454,7 @@ def generate_component_formatters(
                 for action, value in c.write_widget.actions.items()
             ]
             # If this is a SignalRW, recreate the readback with a SignalR
-            if isinstance(c, SignalRW):
+            if isinstance(c, SignalRW) and c.read_widget is not None:
                 row_components += [
                     SignalR(name=c.name, read_pv=c.read_pv, read_widget=c.read_widget)
                 ]