[GitHub] mistercrunch commented on a change in pull request #5415: Fix db migration 3dda56f1c4c6

[GitBox <gi...@apache.org>]

mistercrunch commented on a change in pull request #5415: Fix db migration 3dda56f1c4c6
URL: https://github.com/apache/incubator-superset/pull/5415#discussion_r203185267
 
 

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 File path: superset/migrations/versions/3dda56f1c4c6_migrate_num_period_compare_and_period_.py
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 @@ -9,18 +9,20 @@
 from __future__ import division
 
 # revision identifiers, used by Alembic.
-revision = '3dda56f1c4c6'
-down_revision = 'bddc498dd179'
 
+import datetime
 import json
 
 from alembic import op
 import isodate
-import sqlalchemy as sa
 from sqlalchemy.ext.declarative import declarative_base
 from sqlalchemy import Column, Integer, Text
 
 from superset import db
+from superset.utils import parse_human_timedelta
 
 Review comment:
   this import was missing somehow

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