Any condition may be null if it does not apply for a particular Pokémon.
"""
__tablename__ = 'pokemon_evolution'
- id = Column(Integer, primary_key=True, nullable=False)
+ id = Column(Integer, primary_key=True, nullable=False,
+ info=dict(description=u"A numeric ID"))
evolved_pokemon_id = Column(Integer, ForeignKey('pokemon.id'), nullable=False,
info=dict(description=u"The ID of the post-evolution Pokémon."))
evolution_trigger_id = Column(Integer, ForeignKey('evolution_triggers.id'), nullable=False,