From 40e8439b729cbd3907aa4bcad72fe6e4fc6e2878 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Sep 19 2016 13:10:04 +0000
Subject: Fix the alembic script to drop the milestone column upon downgrade


---

diff --git a/alembic/versions/36386a60b3fd_add_milestone_to_issues.py b/alembic/versions/36386a60b3fd_add_milestone_to_issues.py
index 64c4a29..d50b153 100644
--- a/alembic/versions/36386a60b3fd_add_milestone_to_issues.py
+++ b/alembic/versions/36386a60b3fd_add_milestone_to_issues.py
@@ -26,7 +26,4 @@ def upgrade():
 def downgrade():
     ''' Add the column milestone to the table issues.
     '''
-    op.add_column(
-        'issues',
-        sa.Column('milestone', sa.String(255), nullable=True)
-    )
+    op.drop_column('issues', 'milestone')