[web2py] postgres not creating table -- need help with migrate settings

[weheh]

I've added a new table to my existing postgres db but it's not getting 
created. My DAL and table settings are as follows:

db = DAL(
    'postgres://...my_credentials...',
    pool_size=20,
    migrate_enabled=True,
    fake_migrate=True,
    )

db.define_table(
    'migrate_queue',
    Field('user_id', 'integer'),
    migrate=True,
    )

and yet, the migrate_queue table is not getting created. I get the error 
message

relation "migrate_queue"does not exist

and indeed, it doesn't. I've read the threads on the topic. I've tried many 
different permutations of the above migrate arguments. But all to no avail. 
Anybody see where I'm going wrong? Thx.

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