[issue3755] Lists propagate through new instances of class if using append

New submission from supernova_hq <[EMAIL PROTECTED]>: I have located a bug where every instance of an identical class (or a class that extends it) will use the same copy of any list element created before __init__. The only way I have found to fix this is to explicitly empty the list insi

[issue3755] Lists propagate through new instances of class if using append

supernova_hq <[EMAIL PROTECTED]> added the comment: I have located a bug where every instance of an identical class (or a class that extends it) will use the same copy of any list element created before __init__. The only way I have found to fix this is to explicitly empty the list insi