fix: Address formatting and type checking issues

tests/client/test_config.py

@@ -1,6 +1,5 @@
 import json
 import subprocess
-from pathlib import Path
 from unittest.mock import patch
 
 import pytest
@@ -15,42 +14,39 @@ def temp_config_dir(tmp_path):
     config_dir.mkdir()
     return config_dir
 
+
 @pytest.fixture
 def mock_config_path(temp_config_dir):
     """Mock get_claude_config_path to return our temporary directory."""
-    with patch('mcp.cli.claude.get_claude_config_path', return_value=temp_config_dir):
+    with patch("mcp.cli.claude.get_claude_config_path", return_value=temp_config_dir):
         yield temp_config_dir
 
+
 def test_command_execution(mock_config_path):
     """Test that the generated command can actually be executed."""
     # Setup
     server_name = "test_server"
     file_spec = "test_server.py:app"
-    
+
     # Update config
     success = update_claude_config(
         file_spec=file_spec,
         server_name=server_name,
     )
     assert success
-    
+
     # Read the generated config
     config_file = mock_config_path / "claude_desktop_config.json"
     config = json.loads(config_file.read_text())
-    
+
     # Get the command and args
     server_config = config["mcpServers"][server_name]
     command = server_config["command"]
     args = server_config["args"]
 
     test_args = [command] + args + ["--help"]
-    
-    result = subprocess.run(
-        test_args,
-        capture_output=True,
-        text=True,
-        timeout=5
-    )
-    
+
+    result = subprocess.run(test_args, capture_output=True, text=True, timeout=5)
+
     assert result.returncode == 0
-    assert "usage" in result.stdout.lower()
+    assert "usage" in result.stdout.lower()