def _find_version_line_in_file(file_path):
    """
    Find and return the line in the given file containing `VERSION`.

    :param file_path: Path to file to search.
    :return: Line in file containing `VERSION`.
    """
    with open(str(file_path), "r") as fileh:
        version_lines = [
            line for line in fileh.readlines() if line.startswith("VERSION")
        ]
        if len(version_lines) != 1:
            raise ValueError(
                "Unable to determine 'VERSION' in {file}".format(file=file_path)
            )
        return version_lines[0]