File setup.py of Package failed_python-rencode

```python
from setuptools import setup
from setuptools.extension import Extension
from Cython.Build import cythonize

# Define RISC-V compatible compiler flags
extra_compile_args = ['-O2', '-Wall']

# Define the extension module
extensions = [
    Extension(
        "rencode._rencode",
        sources=["rencode/_rencode.pyx"],
        extra_compile_args=extra_compile_args,
    )
]

# Setup configuration
setup(
    name="rencode",
    version="1.0.8",
    description="A fast encoding library for Python",
    ext_modules=cythonize(extensions),
)
```

---