text: """empty message
  
  Revision ID: 5c8d1a9589ea
  Revises: 
  Create Date: 2021-07-08 18:30:56.122677
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = "5c8d1a9589ea"
  down_revision = None
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.create_table(
          "users",
          sa.Column("username", sa.String(), nullable=False),
          sa.Column("password", sa.String(), nullable=True),
          sa.PrimaryKeyConstraint("username"),
      )
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_table("users")
      # ### end Alembic commands ###
  