If settings_module is a filename path import it.

def import_from_filename(obj, filename, silent=False):  # pragma: no cover
    """If settings_module is a filename path import it."""
    if filename in [item.filename for item in inspect.stack()]:
        raise ImportError(
            "Looks like you are loading dynaconf "
            "from inside the {} file and then it is trying "
            "to load itself entering in a circular reference "
            "problem. To solve it you have to "
            "invoke your program from another root folder "
            "or rename your program file.".format(filename)
        )

    _find_file = getattr(obj, "find_file", find_file)
    if not filename.endswith(".py"):
        filename = "{0}.py".format(filename)

    if filename in default_settings.SETTINGS_FILE_FOR_DYNACONF:
        silent = True
    mod = types.ModuleType(filename.rstrip(".py"))
    mod.__file__ = filename
    mod._is_error = False
    try:
        with io.open(
            _find_file(filename),
            encoding=default_settings.ENCODING_FOR_DYNACONF,
        ) as config_file:
            exec(compile(config_file.read(), filename, "exec"), mod.__dict__)
    except IOError as e:
        e.strerror = ("py_loader: error loading file (%s %s)\n") % (
            e.strerror,
            filename,
        )
        if silent and e.errno in (errno.ENOENT, errno.EISDIR):
            return
        raw_logger().debug(e.strerror)
        mod._is_error = True
    return mod