use postgres specific UUID

src/models.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import enum
+from sqlalchemy.dialects.postgresql import UUID
 from sqlalchemy.sql import func
 from db import db
 
@@ -28,7 +29,7 @@ class SensorStatusEnum(enum.Enum):
 class Device(db.Model):
     __tablename__ = 'device'
     id = db.Column(db.Integer, primary_key=True)
-    sensorid = db.Column(db.UUID, nullable=False)
+    sensorid = db.Column(UUID(as_uuid=True), nullable=False)
     status = db.Column(db.Enum(DeviceStatusEnum), nullable=False)
     url = db.Column(db.String, nullable=False)
     lastupdate = db.Column(db.TIMESTAMP, nullable=False, server_default=func.now(), onupdate=func.current_timestamp())