              for k in doomed:
                  self._delete(k)
  
      def _delete(self, key):
          with suppress(KeyError):
              del self._cache[key]
  
          with suppress(KeyError):
              del self._expire_info[key]
  
 
</s> remove 
        with suppress(KeyError):
 </s> add         except KeyError:
            pass
        try: </s> remove             with suppress(KeyError):
 </s> add             try: </s> remove             with suppress(KeyError):
 </s> add             try:
        try:
              for k in doomed:
                  self._delete(k)
  
      def _delete(self, key):
        try:
              del self._cache[key]
  
          with suppress(KeyError):
              del self._expire_info[key]
  
keep keep keep keep replace keep keep keep keep keep
 Reverted "Fixed #27818 -- Replaced try/except/pass with contextlib.suppress()."

This reverts commit 550cb3a365dee4edfdd1563224d5304de2a57fda
because try/except performs better. 
django/core/cache/backends/locmem.py