utils: specify paremeters of enc_plmn() as Hexstr
To prevent missunderstandings when using enc_plmn(), specify the input
and return parameters as Hexstr.
Change-Id: I57cf8e2de357650aef2a06fbffc7615ccb2a45b4
Related: OS#4963
diff --git a/pySim/utils.py b/pySim/utils.py
index a177c56..fc803de 100644
--- a/pySim/utils.py
+++ b/pySim/utils.py
@@ -134,7 +134,7 @@
def enc_iccid(iccid:str) -> Hexstr:
return swap_nibbles(rpad(iccid, 20))
-def enc_plmn(mcc, mnc):
+def enc_plmn(mcc:Hexstr, mnc:Hexstr) -> Hexstr:
"""Converts integer MCC/MNC into 3 bytes for EF"""
if len(mnc) == 2:
mnc += "F" # pad to 3 digits if needed