Please Solve bug in AskBot 0.10.0

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1st Bug

There is a bug in AskBot 0.10.0 show some issues and warnings during the given commands.

python manage.py syncdb
python manage.py migrate
python manage.py runserver

Warnings shown given below:

System check identified some issues:

WARNINGS:
django_authopenid.UserPasswordQueue.user: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
        HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.
group_messaging.SenderList.recipient: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
        HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.

2nd Bug

The Askbot 0.10.0 does not shows Automated Gravatar Images

Please Fix the above above bugs.