Add user deletion / deactivation

migrations/versions/43dc7dbf64c8_.py

@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: 43dc7dbf64c8
+Revises: c1ea65e2b492
+Create Date: 2020-12-09 19:06:11.891807
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '43dc7dbf64c8'
+down_revision = 'c1ea65e2b492'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.alter_column('audit_log_entry', 'causer_id',
+            existing_type=sa.INTEGER(),
+            nullable=True)
+
+
+def downgrade():
+    op.alter_column('audit_log_entry', 'causer_id',
+            existing_type=sa.INTEGER(),
+            nullable=False)