问逻辑连接4错误

EN

#function to ckeck if the game is over
def checkWin(row,col):
    r = row
    c = col
    #print r,c
    return checkWinFromCell(r,c)

#function to ckeck if the game is over from current cell
def checkWinFromCell(row, col):
        directions = [[0,1], [1,0], [1,1], [1,-1], [0,-1], [-1,0], [-1,-1], [-1,1]]
        for d in directions:
            canvas.data.temp = [(row,col)]
            n=1
            finalCheck(row,col,d,n)
            #print canvas.data.temp
            if (len(canvas.data.temp) == 4):
                return True

#function to ckeck if the game is over from current cell in
#all possible directions
def finalCheck(row, col, direction,n):
        drow, dcol = direction[0], direction[1]
        ddrow = row+drow #next row to check
        ddcol = col+dcol #next col to check
        #boundary checks
        if row < 0 or row>=canvas.data.rows or col < 0 or col >=canvas.data.cols:
            return False
        #boundary checks
        if ddrow < 0 or ddrow>=canvas.data.rows or ddcol < 0 or ddcol >=canvas.data.cols:
            return False
        #if same color add to list
        #print canvas.data.board[row][col]
        #print canvas.data.board[ddrow][ddcol]
        if(canvas.data.board[row][col] ==  canvas.data.board[ddrow][ddcol]):
            canvas.data.temp.append((ddrow,ddcol))
        else:
            return False
        #call 3 more times recursively to check if 4 are connected
        while(n<3):
            n += 1
            #print str(n)+" "+str(ddrow)+" "+str(ddcol)
            #print direction
            finalCheck(ddrow,ddcol,direction,n)