Fix for new Bcrypt and SqlAlchemy type casting in Postgres

{{cookiecutter.app_name}}/{{cookiecutter.app_name}}/user/models.py

@@ -32,7 +32,7 @@ class User(UserMixin, SurrogatePK, Model):
     username = Column(db.String(80), unique=True, nullable=False)
     email = Column(db.String(80), unique=True, nullable=False)
     #: The hashed password
-    password = Column(db.String(128), nullable=True)
+    password = Column(db.Binary(128), nullable=True)
     created_at = Column(db.DateTime, nullable=False, default=dt.datetime.utcnow)
     first_name = Column(db.String(30), nullable=True)
     last_name = Column(db.String(30), nullable=True)