Remove unused import

Author: brefra

plugwise_usb/connection/receiver.py

@@ -18,7 +18,6 @@
 from __future__ import annotations
 
 from asyncio import (
-    ensure_future,
     Future,
     Lock,
     PriorityQueue,

plugwise_usb/network/registry.py

@@ -17,11 +17,7 @@
     NodeRemoveRequest,
     PlugwiseRequest,
 )
-from ..messages.responses import (
-    CirclePlusScanResponse,
-    NodeResponseType,
-    PlugwiseResponse,
-)
+from ..messages.responses import NodeResponseType, PlugwiseResponse
 from .cache import NetworkRegistrationCache
 
 _LOGGER = logging.getLogger(__name__)