Fixed some ruff warnings: requests without timeout and naming not complying with PEP

scripts/healthcheck.py

@@ -7,6 +7,7 @@ response = requests.post(
          'q': 'Hello World!',
          'source': 'en',
          'target': 'en'
-    }
+    },
+    timeout=60
 )
 # if server unavailable then requests with raise exception and healthcheck will fail