fix: resolve CI/CD test failures and linting issues

tests/test_converters/test_json.py

@@ -1,10 +1,9 @@
 """Tests for JSON converter."""
 
-import pytest
 import json
+import pytest
 import tempfile
 import os
-from pathlib import Path
 
 from config_convert.converters import JSONConverter
 
@@ -63,14 +62,13 @@ class TestJSONConverter:
             os.unlink(path)
 
     def test_dump_file(self, converter, temp_dir, sample_json):
-        import shutil
         path = tempfile.mktemp(suffix=".json")
         try:
             converter.dump(sample_json, path)
-            result = json.loads(Path(path).read_text())
+            result = json.loads(open(path).read())
             assert result == sample_json
         finally:
-            if Path(path).exists():
+            if os.path.exists(path):
                 os.unlink(path)
 
     def test_invalid_json_raises(self, converter):