Try MockCANSocket fix

gpotter2 · gpotter2 · commit 30d081ff3ecb · 2019-06-07T15:36:37.000+02:00
diff --git a/scapy/contrib/isotp.uts b/scapy/contrib/isotp.uts
@@ -23,6 +23,7 @@ iface1 = "vcan1"
 
 
 class MockCANSocket(SuperSocket):
+    async_select_unrequired = True
     def __init__(self, rcvd_queue=None):
         self.rcvd_queue = Queue()
         self.sent_queue = Queue()
