Modelagem.

templates/model.py

@@ -3,8 +3,12 @@ from flask_sqlalchemy import SQLAlchemy
 db = SQLAlchemy()
 
 class Animal(db.Model):
-id = db.Column(db.Integer, primary_key=True)
-nome = db.Column(db.String(50), nullable=False)
-especie = db.Column(db.String(50), nullable=False)
-idade = db.Column(db.Integer)
-peso = db.Column(db.Float)
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+    __tablename__ = 'animais'
+    id = db.Column(db.Integer, primary_key=True)
+    nome = db.Column(db.String(100), nullable=False)
+    especie = db.Column(db.String(50), nullable=False)
+    idade = db.Column(db.Integer, nullable=False)
+    peso = db.Column(db.Float, nullable=False)
+
+    def __repr__(self):
+        return f'<Animal {self.nome}>'
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