[BUG] failed to add mnemonic

[a1is3n]

desc:
failed to add mnemonic keys after new update. (1.2.9-og-pooling-1.0.2)
error :
"'******' is not in the mnemonic dictionary; may be misspelled"

problem : one of my mnemonic keys is in the wordlist

steps:
git clone https://github.com/felixbrucker/hddcoin-blockchain.git
cd hddcoin-blockchain
sh install.sh
. ./activate
hddcoin init
hddcoin keys add

OS: ubuntu 20.04

there is no error at 1.2.6.2-og-pooling-1.0.2.

[a1is3n]

OS: Windows 10 21h1
same error on 1.2.9 release.

error :
'exchange' is not in the mnemonic dictionary; may be misspelled.

problem is 'exchange' is the one of the mnemonic keys and it says now it is in the wordlist

no error at official chia release 1.2.9