def clean():
    """Deletes dev files"""
    rm("$testfn*")
    rm("*.bak")
    rm("*.core")
    rm("*.egg-info")
    rm("*.orig")
    rm("*.pyc")
    rm("*.pyd")
    rm("*.pyo")
    rm("*.rej")
    rm("*.so")
    rm("*.~")
    rm("*__pycache__")
    rm(".coverage")
    rm(".tox")
    rm(".coverage")
    rm("build")
    rm("dist")
    rm("docs/_build")
    rm("htmlcov")
    rm("tmp")
    rm("venv")
Deletes dev files