code style issues fixed

docs/source/generate_class_list.py

@@ -3,6 +3,7 @@ import inspect
 import fnmatch
 from io import TextIOWrapper
 
+
 def write_classes(f: TextIOWrapper, patterns: list[str], module_name: str, title: str, description: str = '', exclude: list[str] = []) -> None:
 
     module = importlib.import_module(module_name)

tests/test_readme_example.py

@@ -1,5 +1,6 @@
 import pelfy
 
+
 def test_readme_example() -> None:
     elf = pelfy.open_elf_file('tests/obj/test-c-riscv64-linux-gnu-gcc-12-O3.o')