def read_quote_file(filehandle):
    """
    Iterates over `filehandle`, and yields all strings that are not empty.

    Parameters
    ----------
    filehandle: collections.abc.Iterable[str]
        A file opened for reading.

    Yields
    ------
    str
        All stripped elements of `filehandle` that are not empty.
    """
    for line in filehandle:
        line = line.strip()
        if line:
            yield line
