diff --git a/src/sunsynk/helpers.py b/src/sunsynk/helpers.py
index a38b5c2a..7b9fd4e0 100644
--- a/src/sunsynk/helpers.py
+++ b/src/sunsynk/helpers.py
@@ -3,7 +3,6 @@
 import logging
 import math
 import struct
-import struct
 from typing import Any
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/src/tests/sunsynk/test_solarmansunsynk.py b/src/tests/sunsynk/test_solarmansunsynk.py
index d255c86e..334c5c20 100644
--- a/src/tests/sunsynk/test_solarmansunsynk.py
+++ b/src/tests/sunsynk/test_solarmansunsynk.py
@@ -2,22 +2,16 @@
 
 from typing import Any
 from unittest.mock import AsyncMock, patch
-from unittest.mock import AsyncMock, patch
 
 import pytest
 
 from sunsynk.solarmansunsynk import SolarmanSunsynk
 
-P_CONNECT = "sunsynk.solarmansunsynk.SolarmanSunsynk.connect"
-from sunsynk.solarmansunsynk import SolarmanSunsynk
-
 P_CONNECT = "sunsynk.solarmansunsynk.SolarmanSunsynk.connect"
 
 
 @pytest.mark.asyncio
 @patch(P_CONNECT, new_callable=AsyncMock)
-async def test_uss_sensor(connect: Any) -> None:
-@patch(P_CONNECT, new_callable=AsyncMock)
 async def test_uss_sensor(connect: Any) -> None:
     ss = SolarmanSunsynk(port="tcp://127.0.0.1:502", dongle_serial_number=101)
     # await ss.connect()
@@ -37,8 +31,6 @@ async def test_uss_sensor(connect: Any) -> None:
     await ss.read_holding_registers(1, 2)
     assert rhr.called
 
-    wrr = ss.client.write_multiple_holding_registers = AsyncMock()
-    assert not wrr.called
     wrr = ss.client.write_multiple_holding_registers = AsyncMock()
     assert not wrr.called
     await ss.write_register(address=1, value=2)