message: modifying imports
diff: @@ -4,10 +4,10 @@ import BN from 'bn.js';
  import Web3 from 'web3';
  import { AbiItem } from 'web3-utils';
  import { Contract, ContractOptions } from 'web3-eth-contract';
  -import ERC677ABI from '../../contracts/abi/erc-677.js';
  +import ERC677ABI from '../../contracts/abi/erc-677';
  import PrepaidCardManagerABI from '../../contracts/abi/v0.5.2/prepaid-card-manager';
  -import { getAddress } from '../../contracts/addresses.js';
  -import { getConstant, ZERO_ADDRESS } from '../constants.js';
  +import { getAddress } from '../../contracts/addresses';
  +import { getConstant, ZERO_ADDRESS } from '../constants';
  import { getSDK } from '../version-resolver';
  import { ERC20ABI } from '../../index.js';
  