Annotate emcy.EmcyProducer.network and avoid None dummy value.

Use a _DummyNetwork object instead.
christiansandberg · Aug 11, 2024 · 1c56ec1 · 1c56ec1
1 parent 2e01485
commit 1c56ec1
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/canopen/emcy.py b/canopen/emcy.py
@@ -4,6 +4,9 @@
 import time
 from typing import Callable, List, Optional
 
+import canopen.network
+
+
 # Error code, error register, vendor specific data
 EMCY_STRUCT = struct.Struct("<HB5s")
 
@@ -82,7 +85,7 @@ def wait(
 class EmcyProducer:
 
     def __init__(self, cob_id: int):
-        self.network = None
+        self.network: canopen.network.Network = canopen.network._DummyNetwork()
         self.cob_id = cob_id
 
     def send(self, code: int, register: int = 0, data: bytes = b""):