      """
      try:
          return parse_http_date(date)
  
  
  # Base 36 functions: useful for generating compact URLs
  
 
</s> remove     with suppress(Exception):
 </s> add     try: </s> remove from contextlib import suppress

 </s> add  </s> remove     with suppress(AttributeError):
 </s> add     try: </s> remove             with suppress(KeyError):
 </s> add             try: </s> remove         with suppress(AttributeError):  # Backend has no clean_username method.
 </s> add         try:
    except Exception:
        pass
      """
      try:
          return parse_http_date(date)
    except Exception:
        pass
  
  
  # Base 36 functions: useful for generating compact URLs
  
keep 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/utils/http.py