avoid import only for type checking

af452872 · vruge · oroulet · cbf9b4b9 · af452872
Commit af452872 authored Jun 07, 2022 by vruge Committed by oroulet Jun 07, 2022
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asyncua/common/statemachine.py asyncua/common/statemachine.py +4 -2

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--- a/asyncua/common/statemachine.py
+++ b/asyncua/common/statemachine.py
@@ -19,8 +19,10 @@ import datetime
 from asyncua import Server, ua, Node
 from asyncua.common.event_objects import TransitionEvent, ProgramTransitionEvent
-from asyncua.server.event_generator import EventGenerator
+from typing import Optional, Union, List, TYPE_CHECKING
-from typing import Optional, Union, List
+if TYPE_CHECKING:
+    from asyncua.server.event_generator import EventGenerator
 _logger = logging.getLogger(__name__)