Allow the backend to use the default channel if it is not given

hardbyte · Jul 24, 2018 · d841c98 · d841c98
1 parent 9e56f33
commit d841c98
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/can/interface.py b/can/interface.py
@@ -122,7 +122,11 @@ def __new__(cls, channel=None, *args, **config):
             channel = config['channel']
             del config['channel']
 
-        return cls(channel, *args, **config)
+        if not channel:
+            # Use the default channel for the backend
+            return cls(*args, **config)
+        else:
+            return cls(channel, *args, **config)    
 
 
 def detect_available_configs(interfaces=None):