add expiration_date to manual task order form

alembic/versions/4f4defb7b440_add_expiration_date_to_task_order.py

@@ -0,0 +1,28 @@
+"""add expiration date to task order
+
+Revision ID: 4f4defb7b440
+Revises: 2572be7fb7fc
+Create Date: 2018-09-17 15:22:33.240310
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '4f4defb7b440'
+down_revision = '2572be7fb7fc'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('task_order', sa.Column('expiration_date', sa.Date(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('task_order', 'expiration_date')
+    # ### end Alembic commands ###