Fix imports in host resolver test (#584)

tests/test_client.py

@@ -1,7 +1,5 @@
-from sys import version
-
 import pytest
-from mock import AsyncMock, MagicMock, call, patch
+from mock import AsyncMock, MagicMock, patch
 
 from aioesphomeapi.api_pb2 import (
     AlarmControlPanelCommandRequest,

tests/test_host_resolver.py

@@ -1,10 +1,11 @@
 import socket
 from ipaddress import ip_address
-import asyncio
+
 import pytest
 from mock import AsyncMock, MagicMock, patch
 from zeroconf import DNSCache
-from zeroconf.asyncio import AsyncZeroconf, AsyncServiceInfo
+from zeroconf.asyncio import AsyncServiceInfo, AsyncZeroconf
+
 import aioesphomeapi.host_resolver as hr
 from aioesphomeapi.core import APIConnectionError