sort imports according to PEP8 for buienradar (#29623)

tests/components/buienradar/test_camera.py

@@ -1,10 +1,10 @@
 """The tests for generic camera component."""
 import asyncio
+
 from aiohttp.client_exceptions import ClientResponseError
 
-from homeassistant.util import dt as dt_util
-
 from homeassistant.setup import async_setup_component
+from homeassistant.util import dt as dt_util
 
 # An infinitesimally small time-delta.
 EPSILON_DELTA = 0.0000000001

tests/components/buienradar/test_sensor.py

@@ -1,7 +1,6 @@
 """The tests for the Buienradar sensor platform."""
-from homeassistant.setup import async_setup_component
 from homeassistant.components import sensor
-
+from homeassistant.setup import async_setup_component
 
 CONDITIONS = ["stationname", "temperature"]
 BASE_CONFIG = {

tests/components/buienradar/test_weather.py

@@ -2,7 +2,6 @@
 from homeassistant.components import weather
 from homeassistant.setup import async_setup_component
 
-
 # Example config snippet from documentation.
 BASE_CONFIG = {
     "weather": [