Add migration for evaluation_results.model column

migrations/versions/83bb00cf8918_add_model_column_to_evaluation_results_.py

+"""Add model column to evaluation_results table
+
+Revision ID: 83bb00cf8918
+Revises: 72c83fe9b848
+Create Date: 2021-03-26 23:03:22.923916
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '83bb00cf8918'
+down_revision = '72c83fe9b848'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    with op.batch_alter_table('evaluation_results') as batch_op:
+        batch_op.add_column(
+            sa.Column('model', sa.Unicode(length=500), nullable=False)
+        )
+
+
+def downgrade():
+    with op.batch_alter_table('evaluation_results') as batch_op:
+        batch_op.drop_column('model')