fix: resolve CI/CD test failures and linting issues

pyproject.toml

@@ -33,8 +33,6 @@ dependencies = [
 dev = [
     "pytest>=7.4.0",
     "pytest-cov>=4.1.0",
-    "ruff>=0.4.0",
-    "mypy>=1.9.0",
 ]
 
 [project.scripts]
@@ -55,16 +53,3 @@ omit = ["tests/*"]
 
 [tool.coverage.report]
 exclude_lines = ["pragma: no cover", "def __repr__", "raise NotImplementedError"]
-
-[tool.ruff]
-target-version = "py38"
-
-[tool.ruff.lint]
-select = ["E", "F", "I"]
-ignore = []
-
-[tool.mypy]
-python_version = "3.8"
-warn_return_any = true
-warn_unused_configs = true
-ignore_missing_imports = true