fix: resolve CI/CD issues - linting errors and test fixture

tests/conftest.py

@@ -1,14 +1,11 @@
 """Pytest configuration and fixtures."""
 
-import os
 import tempfile
 from pathlib import Path
 from unittest.mock import MagicMock, patch
 
 import pytest
 
-from gitignore_generator import __version__
-
 
 @pytest.fixture
 def temp_dir():
@@ -67,12 +64,20 @@ def cache_manager():
     """Create a cache manager with temporary directory."""
     from gitignore_generator.cache import CacheManager
 
-    with tempfile.TemporaryDirectory() as tmpdir:
+    with tempfile.TemporaryDirectory():
         from pathlib import Path
-        original_cache = Path.home() / ".cache" / "gitignore-generator"
 
         class TestCacheManager(CacheManager):
             def __init__(self, tmpdir):
                 self._cache_dir = Path(tmpdir)
 
         yield TestCacheManager(tempfile.mkdtemp())
+
+
+@pytest.fixture
+def detector():
+    """Create detector with temp directory."""
+    from gitignore_generator.detector import ProjectDetector
+
+    with tempfile.TemporaryDirectory() as tmpdir:
+        yield ProjectDetector(Path(tmpdir))