Add Approver rank

migrations/versions/1af840af0209_.py

@@ -0,0 +1,25 @@
+"""empty message
+
+Revision ID: 1af840af0209
+Revises: 725ff70ea316
+Create Date: 2021-08-16 17:17:12.060257
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision = '1af840af0209'
+down_revision = '725ff70ea316'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.execute("COMMIT")
+    op.execute("ALTER TYPE userrank ADD VALUE 'APPROVER' BEFORE 'EDITOR'")
+
+
+def downgrade():
+    pass