<s> """<STR_LIT>""" <EOL> revision = '<STR_LIT>' <EOL> down_revision = '<STR_LIT>' <EOL> from alembic import op <EOL> def upgrade ( ) : <EOL> op . execute ( '<STR_LIT>' ) <EOL> op . execute ( '<STR_LIT>' ) <EOL> def downgrade ( ) : <EOL> op . drop_constraint ( '<STR_LIT>' , '<STR_LIT:source>' ) <EOL> op . drop_constraint ( '<STR_LIT>' , '<STR_LIT:source>' ) </s>
