old_contents: from django import template
  
  from ..schema import is_shared_model as _is_shared_model
  from ..schema import get_schema_model
  
  Schema = get_schema_model()
  
  register = template.Library()
  
  @register.filter
  def is_schema_aware(obj):
      return obj and not _is_shared_model(obj)
  
  @register.filter
  def is_shared_model(obj):
      return obj and _is_shared_model(obj)
  
  @register.filter
  def schema_name(pk):
      try:
          return Schema.objects.get(pk=pk).name
      except Schema.DoesNotExist:
          return "no schema"
  
new_contents: from django import template
  
  from ..schema import is_shared_model as _is_shared_model
  from ..schema import _get_schema
  
  register = template.Library()
  
  @register.filter
  def is_schema_aware(obj):
      return obj and not _is_shared_model(obj)
  
  @register.filter
  def is_shared_model(obj):
      return obj and _is_shared_model(obj)
  
  @register.filter
  def schema_name(schema):
      try:
          return _get_schema(schema).name
      except AttributeError:
          return "no schema"
  
subject: Remove a database access from the template tag.