@staticmethod
def find_python():
    """Searches default python which is first found in PATH"""
    from subprocess import check_output
    out = check_output(['which', 'python3']).decode('ascii').strip()
    if not out:
        out = check_output(['which', 'python2']).decode('ascii').strip()
    if not out:
        out = check_output(['which', 'python']).decode('ascii').strip()
    return out
