Merge pull request #9 from Azure/Bug_AttributeError_listaccounts

Fixed issue: AttributeError %adl list accounts

adlmagics/adlmagics/services/adla_service_sdk_impl.py

@@ -22,7 +22,7 @@ def retrieve_accounts(self, page_index, page_account_number):
  sub_client = SubscriptionClient(self.__token_service.credentials)
  for sub in sub_client.subscriptions.list():
  dla_client = DataLakeAnalyticsAccountManagementClient(self.__token_service.credentials, sub.subscription_id)
- accounts.extend([AdlaAccount(account.name) for account in dla_client.account.list()])
+ accounts.extend([AdlaAccount(account.name) for account in dla_client.accounts.list()])
 
  accounts.sort(key = lambda account: getattr(account, "name"))