Better handle already opened devices

Author: sosthene-nitrokey

src/nitrokey/trussed/_device.py

@@ -282,7 +282,7 @@ def _list_vid_pid(cls: type[T], vid: int, pid: int) -> List[T]:
     @classmethod
     def _list_pcsc_atr(cls: type[T], atr: List[int], exclusive: bool) -> List[T]:
         try:
-            from smartcard.Exceptions import NoCardException
+            from smartcard.Exceptions import CardConnectionException, NoCardException
             from smartcard.ExclusiveTransmitCardConnection import ExclusiveTransmitCardConnection
             from smartcard.System import readers
 
@@ -299,6 +299,8 @@ def _list_pcsc_atr(cls: type[T], atr: List[int], exclusive: bool) -> List[T]:
                     connection.connect()
                 except NoCardException:
                     continue
+                except CardConnectionException:
+                    continue
                 if atr != connection.getATR():
                     connection.disconnect()
                     connection.release()