Add a new status to the job statuses to handle errors.

migrations/versions/0071_add_job_error_state.py

@@ -0,0 +1,22 @@
+"""empty message
+
+Revision ID: 0071_add_job_error_state
+Revises: 0070_fix_notify_user_email
+Create Date: 2017-03-10 16:15:22.153948
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0071_add_job_error_state'
+down_revision = '0070_fix_notify_user_email'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.execute("INSERT INTO JOB_STATUS VALUES('error')")
+
+
+def downgrade():
+    op.execute("DELETE FROM JOB_STATUS WHERE name = 'error'")