How to use the termcolor.termcolor.colored function in termcolor

def set_chars(self, array, char_color='white'):
        """Set the characters used to draw lines between rows and columns

        - the array should contain 4 fields:

            [horizontal, vertical, corner, header]

        - default is set to:

            ['-', '|', '+', '=']
        """

        if len(array) != 4:
            raise ArraySizeError("array should contain 4 characters")
        if sys.stdout.isatty():
            array = [termcolor.colored(x[:1], char_color) for x in [str(s) for s in array]]
        else:
            array = [x[:1] for x in [str(s) for s in array]]
        (self._char_horiz, self._char_vert,
            self._char_corner, self._char_header) = array

LOG_LEVEL = level.upper()
    _STDOUT_HANDLER.setLevel(LOG_LEVEL)

LOG_LEVEL = 'INFO'
"""str: The global logging level for stdout loggers and software packages.

Don't change directly. May be changed via :any:`set_log_level`.
"""

LOG_FILE = os.path.join(USER_PREFIX, 'debug_log')
"""str: Absolute path to a log file to receive all debugging output."""

LINE_MARKER = os.environ.get('TAU_LINE_MARKER', '[TAU] ')
"""str: Marker for each line of output."""

COLORED_LINE_MARKER = termcolor.colored(LINE_MARKER, 'red')

TERM_SIZE = get_terminal_size()
"""tuple: (width, height) tuple of detected terminal dimensions in characters."""

LINE_WIDTH = TERM_SIZE[0] - len(LINE_MARKER)
"""Width of a line on the terminal.

Uses system specific methods to determine console line width.  If the line
width cannot be determined, the default is 80.
"""

_ROOT_LOGGER = logging.getLogger()
if not _ROOT_LOGGER.handlers:
    _ROOT_LOGGER.setLevel(logging.DEBUG)
    _LOG_FILE_PREFIX = os.path.dirname(LOG_FILE)
    try:

LOG_LEVEL = level.upper()
    _STDOUT_HANDLER.setLevel(LOG_LEVEL)
    
LOG_LEVEL = 'INFO'
"""str: The global logging level for stdout loggers and software packages.

Don't change directly. May be changed via :any:`set_log_level`.  
"""

LOG_FILE = os.path.join(USER_PREFIX, 'debug_log')
"""str: Absolute path to a log file to receive all debugging output."""

LINE_MARKER = os.environ.get('TAU_LINE_MARKER', '[TAU] ')
"""str: Marker for each line of output."""

COLORED_LINE_MARKER = termcolor.colored(LINE_MARKER, 'red')

TERM_SIZE = get_terminal_size()
"""tuple: (width, height) tuple of detected terminal dimensions in characters."""

LINE_WIDTH = TERM_SIZE[0] - len(LINE_MARKER)
"""Width of a line on the terminal.

Uses system specific methods to determine console line width.  If the line
width cannot be determined, the default is 80.
"""

_ROOT_LOGGER = logging.getLogger()
if not _ROOT_LOGGER.handlers:
    _ROOT_LOGGER.setLevel(logging.DEBUG)
    _LOG_FILE_PREFIX = os.path.dirname(LOG_FILE)
    try: