message: Use relative import for cashlib
diff: # Distributed under the MIT software license, see the accompanying
  # file COPYING or http://www.opensource.org/licenses/mit-license.php.
  -from test_framework.cashlib.cashlib import init, bin2hex, signTxInput, randombytes, pubkey, spendscript, addrbin, txid, SIGHASH_ALL, SIGHASH_NONE, SIGHASH_SINGLE, SIGHASH_FORKID, SIGHASH_ANYONECANPAY
  +from .cashlib import init, bin2hex, signTxInput, randombytes, pubkey, spendscript, addrbin, txid, SIGHASH_ALL, SIGHASH_NONE, SIGHASH_SINGLE, SIGHASH_FORKID, SIGHASH_ANYONECANPAY
  