def leave_group():
"""Allows a user to leave a group"""
group_id = request.form.get('group_id')
user_id = session.get('user')
get_user_group = UserGroup.query.filter_by(group_id=group_id, user_id=user_id).first()
db.session.delete(get_user_group)
db.session.commit()
flash("You have left the group")
return jsonify(result="success")
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