Traceback (most recent call last):
  File "/home/sha/.local/lib/python3.8/site-packages/electrum/gui/qt/channel_details.py", line 117, in on_htlc_failed
    self.move('inflight', 'failed', payment_hash)
  File "/home/sha/.local/lib/python3.8/site-packages/electrum/gui/qt/channel_details.py", line 80, in move
    row_idx = self.keyname_rows[fro].pop(payment_hash)
KeyError: b"n\x93\x83\xd66V\x01\xbc\xb7W\xa1\xe7C\xe0f\xd4\xf1\x14\xd5\x90\xd4\x97'R[\x10q<\xde\xa7\xae\xde"