@@ -0,0 +1,640 @@
+from alembic import op%0Aimport sqlalchemy as sa%0A%0A%0A%22%22%22empty message%0A%0ARevision ID: dc58763db4a8%0ARevises: 9b1bedfa916b%0ACreate Date: 2017-11-01 15:43:41.695937%0A%0A%22%22%22%0A%0A# revision identifiers, used by Alembic.%0Arevision = 'dc58763db4a8'%0Adown_revision = '9b1bedfa916b'%0A%0A%0Adef upgrade():%0A    # ### commands auto generated by Alembic - please adjust! ###%0A    op.add_column('organizations', sa.Column('timezone', sa.String(length=20), nullable=True))%0A    # ### end Alembic commands ###%0A%0A%0Adef downgrade():%0A    # ### commands auto generated by Alembic - please adjust! ###%0A    op.drop_column('organizations', 'timezone')%0A    # ### end Alembic commands ###%0A

add migration for tz field