old_contents: from django.contrib.gis.db import models
  
  
  class CatalogoLandsat(models.Model):
  
      objectid = models.AutoField(primary_key=True)
      image = models.CharField(max_length=255, unique=True)
      path = models.CharField(max_length=500)
      url_tms = models.CharField(max_length=500)
      data = models.DateField()
      shape = models.PolygonField(srid=4674, null=True, blank=True)
  
      objects = models.GeoManager()
  
      def save(self, *args, **kwargs):
          self.full_clean()
          super(CatalogoLandsat, self).save(*args, **kwargs)
  
      def __str__(self):
          return self.image
  
      class Meta:
          db_table = 'catalogo_landsat'
  
  
  class CatalogoRapidEye(models.Model):
  
      gid = models.AutoField(primary_key=True)
      image = models.CharField(max_length=80, unique=True)
      path = models.CharField(max_length=120)
      tms = models.CharField(max_length=254)
      quicklook = models.CharField(max_length=150)
      data = models.DateField()
      geom = models.MultiPolygonField(srid=4674, null=True, blank=True)
      nuvens = models.FloatField()
  
      objects = models.GeoManager()
  
      def save(self, *args, **kwargs):
          self.full_clean()
          super(CatalogoRapidEye, self).save(*args, **kwargs)
  
      def __str__(self):
          return self.image
  
      class Meta:
          db_table = 'catalogo_rapideye'
new_contents: from django.contrib.gis.db import models
  
  
  class CatalogoLandsat(models.Model):
  
      objectid = models.AutoField(primary_key=True)
      image = models.CharField(max_length=255, unique=True)
      path = models.CharField(max_length=500)
      url_tms = models.CharField(max_length=500)
      data = models.DateField()
      nuvems = models.FloatField()
      shape = models.PolygonField(srid=4674, null=True, blank=True)
  
      objects = models.GeoManager()
  
      def save(self, *args, **kwargs):
          self.full_clean()
          super(CatalogoLandsat, self).save(*args, **kwargs)
  
      def __str__(self):
          return self.image
  
      class Meta:
          db_table = 'catalogo_landsat'
  
  
  class CatalogoRapidEye(models.Model):
  
      gid = models.AutoField(primary_key=True)
      image = models.CharField(max_length=80, unique=True)
      path = models.CharField(max_length=120)
      tms = models.CharField(max_length=254)
      quicklook = models.CharField(max_length=150)
      data = models.DateField()
      geom = models.MultiPolygonField(srid=4674, null=True, blank=True)
      nuvens = models.FloatField()
  
      objects = models.GeoManager()
  
      def save(self, *args, **kwargs):
          self.full_clean()
          super(CatalogoRapidEye, self).save(*args, **kwargs)
  
      def __str__(self):
          return self.image
  
      class Meta:
          db_table = 'catalogo_rapideye'
subject: add field nuvens to CatalogoLandsat