PLEASEHELP.PY

import random
import curses
from curses import wrapper
from time import sleep
import math

#this class will establish and draw a board 

class Board:
    
    #2d array from rows and columns 
    
    def __init__(self, rows, columns):
        self.board = [[' ' for column in range(columns)] for row in range(rows)]
        self.rows = rows
        self.columns = columns   
   
  #inside this for loop, is where the error occurs, whenever i loop through this more than eight times,
  #i get the error specified in the post, at the \n.
  
    def draw_board(self, stdscr):
        stdscr.addstr('-----' * self.columns) 
        for i in range(self.rows):   
            stdscr.addstr('|')
            stdscr.addstr('\n')
                    #right ^^ there
        stdscr.addstr('-----' * self.columns)

        
#this class isnt relevant to this problem at all.
    
class Snake():
  def __init__(self, board, starty, startx):
        self.head = '#'
        self.board = board
        self.board.board[starty][startx] = self.head
        self.heady = starty
        self.headx = startx

    def movement(self, ydir, xdir, stdscr):
        
        self.board.board[self.heady][self.headx] = ' '
        
        self.heady = self.heady + ydir
        self.headx = self.headx + xdir
        try:
            self.board.board[self.heady][self.headx] = self.head
            self.board.draw_board(stdscr)
        except:
            exit()
        sleep(0.3)



#rows are set at eight, if thats helps
b = Board(8 ,10)
s = Snake(b, math.floor(b.rows/2), math.floor(b.columns/2))

#while loop set here to test if it works (which it doesnt), 
#im going to want to constantly be updating and drawing the board during the game.

def main(stdscr):
    stdscr.clear()
    while True:    
        b.draw_board(stdscr)
        stdscr.refresh()
    


wrapper(main)