                      }
                  )
          super().delete_model(model, **kwargs)
  
      def add_field(self, model, field):
          from django.contrib.gis.db.models.fields import GeometryField
 
</s> remove from contextlib import suppress

 </s> add  </s> remove from contextlib import suppress
 </s> add  </s> remove from contextlib import suppress
 </s> add  </s> remove with suppress(ImportError):  # Python < 3.5
 </s> add try:
            except DatabaseError:
                pass
                      }
                  )
            except DatabaseError:
                pass
          super().delete_model(model, **kwargs)
  
      def add_field(self, model, field):
          from django.contrib.gis.db.models.fields import GeometryField
keep add keep keep keep keep
 Reverted "Fixed #27818 -- Replaced try/except/pass with contextlib.suppress()."

This reverts commit 550cb3a365dee4edfdd1563224d5304de2a57fda
because try/except performs better. 
django/contrib/gis/db/backends/spatialite/schema.py