File "/var/folders/yk/7zz6_2nn1jn9m_yxz88ycfqw0000gn/T/_MEITSAsVf/electrum/plugins/coldcard/qt.py", line 47, in <lambda>
    btn.clicked.connect(lambda unused: self.export_psbt(dia))
  File "/var/folders/yk/7zz6_2nn1jn9m_yxz88ycfqw0000gn/T/_MEITSAsVf/electrum/plugins/coldcard/qt.py", line 68, in export_psbt
    raw_psbt = keystore.build_psbt(tx, wallet=dia.wallet)
  File "/var/folders/yk/7zz6_2nn1jn9m_yxz88ycfqw0000gn/T/_MEITSAsVf/electrum/plugins/coldcard/coldcard.py", line 472, in build_psbt
    write_kv(PSBT_IN_BIP32_DERIVATION, subkeys[k], k)