diff --git a/examples/ReferenceTestV2/run.py b/examples/ReferenceTestV2/run.py
index 0f4a01a6..20e323bf 100644
--- a/examples/ReferenceTestV2/run.py
+++ b/examples/ReferenceTestV2/run.py
@@ -7,39 +7,41 @@
 import threading
 import uuid
 
+from examples.ReferenceTestV2 import reference_consumer_v2, reference_provider_v2
 from sdc11073 import network
 
-from examples.ReferenceTestV2 import reference_provider_v2, reference_consumer_v2
-
 
 def setup(tls: bool):
-    os.environ['ref_search_epr'] = str(uuid.uuid4())
-    if platform.system() == 'Darwin':
-        os.environ['ref_ip'] = next(str(adapter.ip) for adapter in network.get_adapters() if not adapter.is_loopback)
+    """Setups the run."""
+    os.environ["ref_search_epr"] = str(uuid.uuid4())  # noqa: SIM112
+    if platform.system() == "Darwin":
+        os.environ["ref_ip"] = next(str(adapter.ip) for adapter in network.get_adapters() if not adapter.is_loopback)  # noqa: SIM112
     else:
-        os.environ['ref_ip'] = next(str(adapter.ip) for adapter in network.get_adapters() if adapter.is_loopback)
+        os.environ["ref_ip"] = next(str(adapter.ip) for adapter in network.get_adapters() if adapter.is_loopback)  # noqa: SIM112
     if tls:
-        certs_path = pathlib.Path(__file__).parent.parent.joinpath('certs')
+        certs_path = pathlib.Path(__file__).parent.parent.joinpath("certs")
         assert certs_path.exists()
-        os.environ['ref_ca'] = str(certs_path)
-        os.environ['ref_ssl_passwd'] = 'dummypass'
+        os.environ["ref_ca"] = str(certs_path)  # noqa: SIM112
+        os.environ["ref_ssl_passwd"] = "dummypass"  # noqa: S105,SIM112
 
 
 def run() -> reference_consumer_v2.ResultsCollector:
+    """Run tests."""
     threading.Thread(target=reference_provider_v2.run_provider, daemon=True).start()
     return reference_consumer_v2.run_ref_test(reference_consumer_v2.ResultsCollector())
 
 
-def main(tls: bool):
+def main(tls: bool) -> reference_consumer_v2.ResultsCollector:
+    """Setups and run tests."""
     setup(tls)
     return run()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     import argparse
 
-    parser = argparse.ArgumentParser(description='run plug-a-thon tests')
-    parser.add_argument('--tls', action='store_true', help='Indicates whether tls encryption should be enabled.')
+    parser = argparse.ArgumentParser(description="run plug-a-thon tests")
+    parser.add_argument("--tls", action="store_true", help="Indicates whether tls encryption should be enabled.")
 
     args = parser.parse_args()
     run_results = main(tls=args.tls)