IsOpen should not be use to check if bus is open (hardbyte#381)

pierreluctg · felixdivo · commit bc2dd438b507 · 2018-08-06T19:53:44.000+02:00
diff --git a/can/interfaces/ics_neovi/neovi_bus.py b/can/interfaces/ics_neovi/neovi_bus.py
@@ -242,7 +242,7 @@ def _recv_internal(self, timeout=0.1):
         return msg, False
 
     def send(self, msg, timeout=None):
-        if not self.dev.IsOpen:
+        if not ics.validate_hobject(self.dev):
             raise CanError("bus not open")
 
         flags = 0
