Merge branch 'development' into fix/mutatedInput

* development:
  Changes to abi-gen after code review
  Added constructor ABIs to abi-gen
  Describe #295 in a CHANGELOG
  Add #302 description to changelog
  Fix formatting
  Apply prettier config
  Install prettier
  Remove formatting esilnt rules
  sendTransactionAsync should return txHash string
  Added Event generation to abi-gen
  Publish
  Add dates to CHANGELOG entries
  Update subproviders CHANGELOG
  Support both personal_sign and eth_sign
  Fix Ledger tests given change from `personal_sign` to `eth_sign`
  Update subprovider to catch correct RPC method
  Rename guide
  Update contribution guide
  Fix broken links in the abi-gen README
  Fix typing generation for arrays in which types separated by |s

1 files changed, 3 insertions, 3 deletions

diff --git a/packages/contracts/util/balances.ts b/packages/contracts/util/balances.ts
index 5800a2008..eaeecf1c4 100644
--- a/packages/contracts/util/balances.ts
+++ b/packages/contracts/util/balances.ts
@@ -1,8 +1,8 @@
-import {bigNumberConfigs} from '@0xproject/utils';
-import {BigNumber} from 'bignumber.js';
+import { bigNumberConfigs } from '@0xproject/utils';
+import { BigNumber } from 'bignumber.js';
 import * as _ from 'lodash';
 
-import {BalancesByOwner, ContractInstance} from './types';
+import { BalancesByOwner, ContractInstance } from './types';
 
 bigNumberConfigs.configure();