method pop_disconnected() is now tolerant of devices without the *…

…connected* attribute.

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "ophyd-registry"
-version = "1.3.0"
+version = "1.3.1"
 authors = [
   { name="Mark Wolfman", email="[email protected]" },
 ]

src/ophydregistry/registry.py

@@ -17,7 +17,7 @@
     ComponentNotFound,
     InvalidComponentLabel,
     MultipleComponentsFound,
-)    
+)
 
 # Sentinal value for default parameters
 UNSET = object()
@@ -250,7 +250,7 @@ def pop_disconnected(self, timeout: float = 0.0) -> List:
         timeout_reached = False
         while not timeout_reached:
             # Remove any connected devices for the running list
-            remaining = [dev for dev in remaining if not dev.connected]
+            remaining = [dev for dev in remaining if not getattr(dev, "connected", True)]
             if len(remaining) == 0:
                 # All devices are connected, so just end early.
                 break