Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

Python Basic Object-Oriented Python Emulating Built-ins Emulating Built-ins

what is wrong with treehouse IDLE

HELP!!

book.py
class Book:
    def __init__(self, author, title):
        self.author = author
        self.title = title
    def __str__(self):
        return "{}, {}".format(self.author,self.title)

    def __eq__(self,other):
        return self.author == other.author and self.title == other.title
bookcase.py
from book import Book


class BookCase:
    def __init__(self):
       self.books = []

    def add_books(self, book):
        self.books.append(book)

1 Answer

Chris Freeman
MOD
Chris Freeman
Treehouse Moderator 68,423 Points

Sorry, the checker is overly picky. It seems to want a space after the parameter comma on the method book.__eq__.

Post back if you need more help. Good luck!!!