Fix deleteing more than 1000 history entries at the same time

plexpy/helpers.py

@@ -31,7 +31,7 @@ import datetime
 from functools import wraps
 import hashlib
 import imghdr
-from future.moves.itertools import zip_longest
+from future.moves.itertools import islice, zip_longest
 import ipwhois
 import ipwhois.exceptions
 import ipwhois.utils
@@ -1068,6 +1068,11 @@ def grouper(iterable, n, fillvalue=None):
     return zip_longest(fillvalue=fillvalue, *args)
 
 
+def chunk(it, size):
+    it = iter(it)
+    return iter(lambda: tuple(islice(it, size)), ())
+
+
 def traverse_map(obj, func):
     if isinstance(obj, list):
         new_obj = []