old_contents: """Add SoundcloudTrack model
  
  Revision ID: 3160b5df63b4
  Revises: 8cbc3d8dd55
  Create Date: 2016-08-31 11:29:40.489495
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '3160b5df63b4'
  down_revision = '8cbc3d8dd55'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.create_table('soundcloud_track',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
      sa.Column('modified_at', sa.DateTime(timezone=True), nullable=False),
      sa.Column('file_id', sa.Integer(), nullable=False),
      sa.Column('uri', sa.String(), nullable=True),
      sa.Column('state', sa.String(), nullable=True),
      sa.ForeignKeyConstraint(['file_id'], ['file.id'], name=op.f('fk_soundcloud_track_file_id_file'), ondelete='CASCADE'),
      sa.PrimaryKeyConstraint('id', name=op.f('pk_soundcloud_track'))
      )
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_table('soundcloud_track')
      ### end Alembic commands ###
  
new_contents: """Add SoundcloudTrack model
  
  Revision ID: 3160b5df63b4
  Revises: 8cbc3d8dd55
  Create Date: 2016-08-31 11:29:40.489495
  
  """
  
  # revision identifiers, used by Alembic.
  revision = '3160b5df63b4'
  down_revision = '8cbc3d8dd55'
  
  from alembic import op
  import sqlalchemy as sa
  
  
  def upgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.create_table('soundcloud_track',
      sa.Column('id', sa.Integer(), nullable=False),
      sa.Column('created_at', sa.DateTime(timezone=True), nullable=False),
      sa.Column('updated_at', sa.DateTime(timezone=True), nullable=False),
      sa.Column('file_id', sa.Integer(), nullable=False),
      sa.Column('uri', sa.String(), nullable=True),
      sa.Column('state', sa.String(), nullable=True),
      sa.ForeignKeyConstraint(['file_id'], ['file.id'], name=op.f('fk_soundcloud_track_file_id_file'), ondelete='CASCADE'),
      sa.PrimaryKeyConstraint('id', name=op.f('pk_soundcloud_track'))
      )
      ### end Alembic commands ###
  
  
  def downgrade():
      ### commands auto generated by Alembic - please adjust! ###
      op.drop_table('soundcloud_track')
      ### end Alembic commands ###
  
subject: change modified_at to updated_at for consistency