some PEP etc errors :)

tests/test_config.py

@@ -1,51 +1,51 @@
 import textwrap
-
+from pathlib import Path
 from sshfs.config import parse_config
 
-
-def make_config(tmpdir, host, source):
-    with open(tmpdir / "ssh_config", "w") as stream:
+def make_config(tmpdir: Path, host: str, source: str):
+    """Create and parse an SSH config file for a given host."""
+    config_path = tmpdir / "ssh_config"
+    with config_path.open("w") as stream:
         stream.write(textwrap.dedent(source))
 
-    return parse_config(host=host, config_files=[tmpdir / "ssh_config"])
-
+    return parse_config(host=host, config_files=[config_path])
 
-def test_config(tmpdir):
+def test_config(tmpdir: Path):
+    """Test parsing of a simple SSH configuration."""
     config = make_config(
         tmpdir,
         "iterative.ai",
         """
-    Host iterative.ai
-        HostName ssh.iterative.ai
-        User batuhan
-        Port 888
-        IdentityFile ~/.ssh/id_rsa_it
-    """,
+        Host iterative.ai
+            HostName ssh.iterative.ai
+            User batuhan
+            Port 888
+            IdentityFile ~/.ssh/id_rsa_it
+        """,
     )
 
     assert config.get("Hostname") == "ssh.iterative.ai"
     assert config.get("User") == "batuhan"
     assert config.get("Port") == 888
     assert config.get("IdentityFile") == ["~/.ssh/id_rsa_it"]
 
-
-def test_config_expansions(tmpdir):
+def test_config_expansions(tmpdir: Path):
+    """Test parsing of SSH configuration with ProxyCommand and expansions."""
     config = make_config(
         tmpdir,
         "base",
         """
-    Host proxy
-        User user_proxy
-        HostName proxy.dvc.org
-
-    Host base
-        User user_base
-        HostName base.dvc.org
-        Port 222
-        ProxyCommand ssh proxy nc %h %p
-    """,
+        Host proxy
+            User user_proxy
+            HostName proxy.dvc.org
+
+        Host base
+            User user_base
+            HostName base.dvc.org
+            Port 222
+            ProxyCommand ssh proxy nc %h %p
+        """,
     )
 
-    assert (
-        config.get("ProxyCommand").split() == "ssh proxy nc base.dvc.org 222".split()
-    )
+    expected_command = "ssh proxy nc base.dvc.org 222".split()
+    assert config.get("ProxyCommand").split() == expected_command