old_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  
  class Meal(models.Model):
  	class Meta:
  		verbose_name_plural = _('Meals')
  
  	#Meal information
  	nom = models.CharField(max_length=50, verbose_name=_('Name'))
  	description = models.TextFields(verbose_name=_('Description'))
  	ingredients = models.ManyToManyField(Ingredient, related_name='related_meals'))
  
  class Ingredient(models.Model):
          class Meta:
                  verbose_name_plural = _('Ingredients')
  
          #Ingredient information
          nom = models.CharField(max_length=50, verbose_name=_('Name'))
  
  
  class Allergy(models.Model):
          class Meta:
                  verbose_name_plural = _('Allergies')
  
          #Allergy information
          nom = models.CharField(max_length=50, verbose_name=_('Name'))
          description = models.TextFields(verbose_name=_('Description'))
          ingredients = models.ManyToManyField(Ingredient, related_name='related_allergies'))
  
new_contents: from django.db import models
  from django.utils.translation import ugettext_lazy as _
  
  class Meal(models.Model):
  	class Meta:
  		verbose_name_plural = _('meals')
  
  	#Meal information
  	nom = models.CharField(max_length=50, verbose_name=_('name'))
  	description = models.TextFields(verbose_name=_('description'))
  	ingredients = models.ManyToManyField(Ingredient, related_name='related_meals'))
  
  class Ingredient(models.Model):
          class Meta:
                  verbose_name_plural = _('ingredients')
  
          #Ingredient information
          nom = models.CharField(max_length=50, verbose_name=_('name'))
  
  
  class Allergy(models.Model):
          class Meta:
                  verbose_name_plural = _('allergies')
  
          #Allergy information
          nom = models.CharField(max_length=50, verbose_name=_('name'))
          description = models.TextFields(verbose_name=_('description'))
          ingredients = models.ManyToManyField(Ingredient, related_name='related_allergies'))
  
subject: Use standart i18n key in meal model