fix python styling

test_runner/fixtures/neon_fixtures.py

@@ -1824,10 +1824,22 @@ class VanillaPostgres(PgProtocol):
         assert not self.running
         # generate self-signed certificate
         subprocess.run(
-            ["openssl", "req", "-new", "-x509", "-days", "365", "-nodes", "-text",
-             "-out", self.pgdatadir / "server.crt",
-             "-keyout", self.pgdatadir / "server.key",
-             "-subj", "/CN=localhost"]
+            [
+                "openssl",
+                "req",
+                "-new",
+                "-x509",
+                "-days",
+                "365",
+                "-nodes",
+                "-text",
+                "-out",
+                self.pgdatadir / "server.crt",
+                "-keyout",
+                self.pgdatadir / "server.key",
+                "-subj",
+                "/CN=localhost",
+            ]
         )
         # configure postgresql.conf
         self.configure(
@@ -2175,7 +2187,9 @@ class NeonProxy(PgProtocol):
 
 
 @pytest.fixture(scope="function")
-def link_proxy(port_distributor: PortDistributor, neon_binpath: Path, test_output_dir: Path) -> Iterator[NeonProxy]:
+def link_proxy(
+    port_distributor: PortDistributor, neon_binpath: Path, test_output_dir: Path
+) -> Iterator[NeonProxy]:
     """Neon proxy that routes through link auth."""
 
     http_port = port_distributor.get_port()
@@ -2196,8 +2210,10 @@ def link_proxy(port_distributor: PortDistributor, neon_binpath: Path, test_outpu
 
 @pytest.fixture(scope="function")
 def static_proxy(
-    vanilla_pg: VanillaPostgres, port_distributor: PortDistributor, neon_binpath: Path,
-    test_output_dir: Path
+    vanilla_pg: VanillaPostgres,
+    port_distributor: PortDistributor,
+    neon_binpath: Path,
+    test_output_dir: Path,
 ) -> Iterator[NeonProxy]:
     """Neon proxy that routes directly to vanilla postgres."""
 

test_runner/regress/test_metric_collection.py

@@ -201,8 +201,10 @@ def proxy_metrics_handler(request: Request) -> Response:
 
 @pytest.fixture(scope="session")
 def proxy_with_metric_collector(
-    port_distributor: PortDistributor, neon_binpath: Path, httpserver_listen_address,
-    test_output_dir: Path
+    port_distributor: PortDistributor,
+    neon_binpath: Path,
+    httpserver_listen_address,
+    test_output_dir: Path,
 ) -> Iterator[NeonProxy]:
     """Neon proxy that routes through link auth and has metric collection enabled."""
 

test_runner/regress/test_sni_router.py

@@ -2,11 +2,9 @@ import socket
 import subprocess
 from pathlib import Path
 from types import TracebackType
-from typing import Any, Dict, Iterator, List, Optional, Tuple, Type, Union, cast
+from typing import Optional, Type
 
 import backoff  # type: ignore
-import psycopg2
-import pytest
 from fixtures.log_helper import log
 from fixtures.neon_fixtures import PgProtocol, PortDistributor, VanillaPostgres
 
@@ -57,8 +55,8 @@ class PgSniRouter(PgProtocol):
         args = [
             str(self.neon_binpath / "pg_sni_router"),
             *["--listen", f"127.0.0.1:{self.port}"],
-            *["--tls-cert", self.tls_cert],
-            *["--tls-key", self.tls_key],
+            *["--tls-cert", str(self.tls_cert)],
+            *["--tls-key", str(self.tls_key)],
             *["--destination", self.destination],
         ]
 
@@ -105,9 +103,10 @@ def test_pg_sni_router(
     neon_binpath: Path,
     test_output_dir: Path,
 ):
-
     generate_tls_cert(
-        "endpoint.namespace.localtest.me", test_output_dir / "router.crt", test_output_dir / "router.key"
+        "endpoint.namespace.localtest.me",
+        test_output_dir / "router.crt",
+        test_output_dir / "router.key",
     )
 
     # Start a stand-alone Postgres to test with