diff --git a/test/integration-tests/TEST-74-AUX-UTILS/TEST-74-AUX-UTILS.units/fake-report-server.py b/test/integration-tests/TEST-74-AUX-UTILS/TEST-74-AUX-UTILS.units/fake-report-server.py
index 6beb6383c2..ee0b2294c5 100755
--- a/test/integration-tests/TEST-74-AUX-UTILS/TEST-74-AUX-UTILS.units/fake-report-server.py
+++ b/test/integration-tests/TEST-74-AUX-UTILS/TEST-74-AUX-UTILS.units/fake-report-server.py
@@ -1,15 +1,20 @@
 #!/usr/bin/python3
 # SPDX-License-Identifier: LGPL-2.1-or-later
 
-import argparse, json, os, socket, ssl
+import argparse
+import json
+import os
+import socket
+import ssl
 from http.server import BaseHTTPRequestHandler, HTTPServer
 
+
 def sd_notify(state: str) -> bool:
-    notify_socket = os.environ.get("NOTIFY_SOCKET")
+    notify_socket = os.environ.get('NOTIFY_SOCKET')
     if not notify_socket:
         return False
-    if notify_socket.startswith("@"):
-        notify_socket = "\0" + notify_socket[1:]
+    if notify_socket.startswith('@'):
+        notify_socket = '\0' + notify_socket[1:]
     try:
         with socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM) as sock:
             sock.sendto(state.encode(), notify_socket)
@@ -17,54 +22,56 @@ def sd_notify(state: str) -> bool:
         return False
     return True
 
+
 class Handler(BaseHTTPRequestHandler):
     def do_POST(self):
-        length = int(self.headers.get("Content-Length", 0))
+        length = int(self.headers.get('Content-Length', 0))
         body = self.rfile.read(length)
 
         # Check optional attribute
-        if auth := self.headers.get("Authorization"):
-            print(f"Authorization: {auth}")
+        if auth := self.headers.get('Authorization'):
+            print(f'Authorization: {auth}')
 
         # Validate JSON structure
         try:
             data = json.loads(body)
         except json.JSONDecodeError:
-            self.send_error(400, "Invalid JSON")
+            self.send_error(400, 'Invalid JSON')
             return
 
         print(f"JSON: {s if len(s := str(data)) < 80 else s[:40] + '…' + s[-40:]}")
 
-        if "metrics" not in data:
+        if 'metrics' not in data:
             self.send_error(400, "Missing 'metrics' field")
             return
 
-        response = json.dumps({"status": "ok"}).encode()
+        response = json.dumps({'status': 'ok'}).encode()
         self.send_response(200)
-        self.send_header("Content-Type", "application/json")
-        self.send_header("Content-Length", len(response))
+        self.send_header('Content-Type', 'application/json')
+        self.send_header('Content-Length', len(response))
         self.end_headers()
         self.wfile.write(response)
 
     def log_message(self, fmt, *args):
-        print(f"{self.address_string()} - {fmt % args}")
+        print(f'{self.address_string()} - {fmt % args}')
+
 
 parser = argparse.ArgumentParser()
-parser.add_argument("--port", type=int, default=8089)
-parser.add_argument("--cert", help="TLS certificate file")
-parser.add_argument("--key", help="TLS private key file")
+parser.add_argument('--port', type=int, default=8089)
+parser.add_argument('--cert', help='TLS certificate file')
+parser.add_argument('--key', help='TLS private key file')
 args = parser.parse_args()
 
-server = HTTPServer(("", args.port), Handler)
+server = HTTPServer(('', args.port), Handler)
 if args.cert and args.key:
     ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
     ctx.load_cert_chain(args.cert, args.key)
     server.socket = ctx.wrap_socket(server.socket, server_side=True)
-    print(f"Serving on https://localhost:{args.port}/")
+    print(f'Serving on https://localhost:{args.port}/')
 else:
-    print(f"Serving on http://localhost:{args.port}/")
+    print(f'Serving on http://localhost:{args.port}/')
 try:
-    sd_notify("READY=1")
+    sd_notify('READY=1')
     server.serve_forever()
 except KeyboardInterrupt:
-    print("\nStopped.")
+    print('\nStopped.')