diff --git a/pySim/ts_31_102.py b/pySim/ts_31_102.py
index b354b328..843f7c4f 100644
--- a/pySim/ts_31_102.py
+++ b/pySim/ts_31_102.py
@@ -335,7 +335,7 @@ class EF_SUCI_Calc_Info(TransparentEF):
         """conversion method to generate list of {hnet_pubkey_identifier, hnet_pubkey} dicts
         from flat [{hnet_pubkey_identifier: }, {net_pubkey: }, ...] list"""
         out = []
-        while len(l):
+        while l:
             a = l.pop(0)
             b = l.pop(0)
             z = {**a, **b}