Check if portal is channel before trusting member list

alembic/versions/30eca60587f1_add_megagroup_field_to_portals.py

@@ -0,0 +1,23 @@
+"""Add megagroup field to portals
+
+Revision ID: 30eca60587f1
+Revises: cfc972368e50
+Create Date: 2018-04-29 15:51:04.656605
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = '30eca60587f1'
+down_revision = 'cfc972368e50'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('portal', sa.Column('megagroup', sa.Boolean()))
+
+
+def downgrade():
+    op.drop_column('portal', 'megagroup')