Somewhere in your model, likely inside of a Table() object, there is a keyword
"index" being used which is invalid. Look for that keyword and remove it.
On Thu, Mar 26, 2020, at 1:53 PM, Rob Schottland wrote:
> Suddenly, I can't get alembic (1.3.3?). alembic history does work, but my
> most recent migration crashes with an enormous stack-trace (as usual): here's
> my current pretty-simple migration script:
>
>> """Citation datasource optional
>>
>> Revision ID: f5a6e316ee8d
>> Revises: 2a181e783d96
>> Create Date: 2020-03-26 08:54:59.547135
>>
>> """
>>
>> # revision identifiers, used by Alembic.
>> revision = 'f5a6e316ee8d'
>> down_revision = '2a181e783d96'
>> branch_labels = None
>> depends_on = None
>>
>> from alembic import op
>> import sqlalchemy as sa
>>
>>
>> def upgrade():
>> op.alter_column('citation', 'id_datasource',
>> existing_Type=sa.INTEGER(),
>> nullable=True)
>> pass
>>
>>
>> def downgrade():
>> op.alter_column('citation', 'id_datasource',
>> existing_Type=sa.INTEGER(),
>> nullable=False)
>> pass
>
> Here's the last stanza of the stack trace:
>
> File
> "/home/rschottland/.local/share/virtualenvs/astorb_db-u7fxujye/lib/python3.7/site-packages/sqlalchemy/sql/base.py",
> line 289, in _validate_dialect_kwargs
> "named <dialectname>_<argument>, got '%s'" % k
>
>
> TypeError: Additional arguments should be named <dialectname>_<argument>, got
> 'index'
>
> The whole 69 line stack trace is attached.
>
> This is the 30th migration for this database going back to 2015. Nothing like
> this has occurred before. Could my alembic package be corrupted? The previous
> (successful) igration was only 3 days ago.
>
> Any thoughts on this would be appreciated.
>
>
>
>
>
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>
> *Attachments:*
> * alembic_stacktrace.txt
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