fix: resolve CI linting and type checking errors

tests/unit/test_generators.py

@@ -1,14 +1,11 @@
 """Unit tests for the generators module."""
 
-import pytest
-import os
 import tempfile
-from pathlib import Path
-from unittest.mock import Mock, patch, MagicMock
+from unittest.mock import Mock, patch
 
-from scaffoldforge.generators import StructureGenerator, CodeGenerator
+from scaffoldforge.generators import CodeGenerator, StructureGenerator
 from scaffoldforge.generators.structure import FileSpec
-from scaffoldforge.parsers import IssueData, ChecklistItem
+from scaffoldforge.parsers import ChecklistItem, IssueData
 from scaffoldforge.templates import TemplateEngine