style: clean unused import and blank lines in catalog tests

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: ulises-jeremias

packages/create-awesome-python-app/tests/test_catalog_fetch.py

@@ -3,7 +3,6 @@
 from __future__ import annotations
 
 import json
-import os
 from pathlib import Path
 from unittest.mock import patch
 
@@ -19,6 +18,8 @@
 FIXTURE_PATH = (
     Path(__file__).resolve().parents[3] / "fixtures" / "catalog" / "templates.json"
 )
+
+
 @pytest.fixture(autouse=True)
 def _reset_cache(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
     reset_catalog_cache_for_tests()