"""empty message

Revision ID: 8c300c4d43ea
Revises: 439a77f8a4d4
Create Date: 2026-07-22 15:20:34.871724

"""
from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision: str = '8c300c4d43ea'
down_revision: Union[str, Sequence[str], None] = '439a77f8a4d4'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('reports', schema=None) as batch_op:
        batch_op.alter_column('uploaded_at',
               existing_type=sa.TIMESTAMP(),
               nullable=True)

    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('reports', schema=None) as batch_op:
        batch_op.alter_column('uploaded_at',
               existing_type=sa.TIMESTAMP(),
               nullable=False)

    # ### end Alembic commands ###