I'm trying to hide profile fields based on user role.  For example 
"basic_user" should have some fields hidden.  So in my db.py where I'm 
setting up a custom auth table:

if 'profile' in request.args:
    # If the user is a basic_user hide power_user stuff
    if auth.has_membership('basic_user'):
        custom_auth_table.custom_field1.readable = False
        custom_auth_table.custom_field1.writable = False

        custom_auth_table.custom_field2.readable = False
        custom_auth_table.custom_field2.writable = False



When I try to view the profile I get this error:

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Traceback (most recent call last):
  File "/home/www-data/web2py/gluon/restricted.py", line 227, in restricted
    exec ccode in environment
  File "/home/www-data/web2py/applications/xxxx/models/db.py" 
<https://52.1.146.129/admin/default/edit/flipoto/models/db.py>, line 191, in 
<module>
    if auth.has_membership('basic_user'):
  File "/home/www-data/web2py/gluon/tools.py", line 3542, in has_membership
    group_id = self.id_group(group_id)  # interpret group_id as a role
  File "/home/www-data/web2py/gluon/tools.py", line 3512, in id_group
    rows = self.db(self.table_group().role == role).select()
  File "/home/www-data/web2py/gluon/tools.py", line 1406, in table_group
    return self.db[self.settings.table_group_name]
  File "/home/www-data/web2py/gluon/packages/dal/pydal/base.py", line 900, in 
__getitem__
    return self.__getattr__(str(key))
  File "/home/www-data/web2py/gluon/packages/dal/pydal/base.py", line 907, in 
__getattr__
    return ogetattr(self, key)
AttributeError: 'DAL' object has no attribute 'auth_group'



Is auth not setup yet at this point in the request or something like that? 
 Anyone have any thoughts?  Thanks.

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