Remove unnecessary string literal concatenations (#30360)

homeassistant/components/arest/binary_sensor.py

@@ -38,7 +38,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         response = requests.get(resource, timeout=10).json()
     except requests.exceptions.MissingSchema:
         _LOGGER.error(
-            "Missing resource or schema in configuration. " "Add http:// to your URL"
+            "Missing resource or schema in configuration. Add http:// to your URL"
         )
         return False
     except requests.exceptions.ConnectionError: