Make confirmed column required

app/accounts/models.py

@@ -13,7 +13,7 @@ class Account(db.Model):
     email = db.Column(db.String, index=True, unique=True)
     role_id = db.Column(db.Integer, db.ForeignKey("roles.id"))
     role = db.relationship("Role", foreign_keys=[role_id])
-    confirmed = db.Column(db.Boolean, default=False)
+    confirmed = db.Column(db.Boolean, default=False, nullable=False)
     confirmed_at = db.Column(db.DateTime, nullable=True)
     created_at = db.Column(db.DateTime,
                            nullable=False,

migrations/versions/ae43d7caad52_.py

@@ -0,0 +1,37 @@
+"""empty message
+
+Revision ID: ae43d7caad52
+Revises: fd5cfe0f1c51
+Create Date: 2018-10-10 21:01:06.071591
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'ae43d7caad52'
+down_revision = 'fd5cfe0f1c51'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    accounts = sa.table('accounts', sa.column('id', sa.Integer),
+                    sa.column('confirmed', sa.BOOLEAN()))
+    op.execute(accounts.update().
+               values({'confirmed': True}))
+
+    op.alter_column('accounts', 'confirmed',
+               existing_type=sa.BOOLEAN(),
+               nullable=False)
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.alter_column('accounts', 'confirmed',
+               existing_type=sa.BOOLEAN(),
+               nullable=True)
+    # ### end Alembic commands ###