diff --git a/aiocloudweather/proxy.py b/aiocloudweather/proxy.py
index 6c17dac..625de6d 100644
--- a/aiocloudweather/proxy.py
+++ b/aiocloudweather/proxy.py
@@ -33,14 +33,14 @@ async def forward_wunderground(self, request: web.Request) -> web.Response:
         """Forward Wunderground data to their API."""
         query_string = quote(request.query_string).replace("%20", "+")
         url = f"https://rtupdate.wunderground.com/weatherstation/updateweatherstation.php?{query_string}"
-        _LOGGER.debug(f"Forwarding Wunderground data: {url}")
+        _LOGGER.debug("Forwarding Wunderground data: %s", url)
         return await self.session.get(url)
 
     async def forward_weathercloud(self, request: web.Request) -> web.Response:
         """Forward WeatherCloud data to their API."""
         new_path = request.path[request.path.index("/v01/set") :]
         url = f"https://api.weathercloud.net{new_path}"
-        _LOGGER.debug(f"Forwarding WeatherCloud data: {url}")
+        _LOGGER.debug("Forwarding WeatherCloud data: %s", url)
         return await self.session.get(url)
 
     async def forward(self, sink: DataSink, request: web.Request) -> web.Response:
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..6a7d170
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,2 @@
+[pytest]
+asyncio_default_fixture_loop_scope = function
\ No newline at end of file
diff --git a/tests/test_server.py b/tests/test_server.py
index 9381554..b8f448c 100644
--- a/tests/test_server.py
+++ b/tests/test_server.py
@@ -1,4 +1,3 @@
-import asyncio
 import pytest
 from aiohttp import web
 from aiocloudweather.server import CloudWeatherListener