Fix OverflowError for far-future dates

Author: tamsk-91

src/humanize/time.py …(days=365 + 35), "1 year, 1 month ago"),src/humanize/time.py renamed to src/humanize/ (dt.timedelta(days=365 + 35), "1 year, 1 month ago"), src/humanize/time.py renamed to src/humanize/ (dt.timedelta(days=365 + 35), "1 year, 1 month ago"),

@@ -61,10 +61,10 @@ def _abs_timedelta(delta: dt.timedelta) -> dt.timedelta:
     Returns:
         datetime.timedelta: Absolute timedelta.
     """
-    if delta.days < 0:
-        now = _now()
-        return now - (now + delta)
-    return delta
+    # Use abs() rather than round-tripping through the current datetime:
+    # `now + delta` overflows (OverflowError) when a negative delta reaches back
+    # past year 1, e.g. for naturaltime(dt.datetime(9999, 12, 31)).
+    return abs(delta)
 
 
 def _date_and_delta(