Error in pulling currency exchange rates from Currency Converter API

[Hailong]

Preconditions (*)

Clean Magento 2.3.1 installation.

Steps to reproduce (*)

1. Set store default currency to CAD, and add CAD and USD as allowed currencies.
2. Navigate to Stores -> Currency Rates
3. Select Currency Converter API as Import Service and click Import.

Expected result (*)

Get the latest rates.

Actual result (*)

Got following error:
Notice: Undefined index: CAD_USD in /Users/hailong/dev/ttechtattoo/ttechtattoo_m2/vendor/magento/magento2ce/app/code/Magento/Directory/Model/Currency/Import/CurrencyConverterApi.php on line 91

[m2-assistant]

Hi @Hailong. Thank you for your report.
To help us process this issue please make sure that you provided the following information:

• Summary of the issue
• Information on your environment
• Steps to reproduce
• Expected and actual results

Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento-engcom-team give me 2.3-develop instance - upcoming 2.3.x release

For more details, please, review the Magento Contributor Assistant documentation.

@Hailong do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[m2-assistant]

Hi @krishprakash. Thank you for working on this issue.
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[krishprakash]

@magento-engcom-team give me 2.3-develop instance

[magento-engcom-team]

Hi @krishprakash. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @krishprakash, here is your Magento instance.
Admin access: https://i-22468-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[krishprakash]

@magento-engcom-team give me 2.2-develop instance

[magento-engcom-team]

Hi @krishprakash. Thank you for your request. I'm working on Magento 2.2-develop instance for you

[magento-engcom-team]

Hi @krishprakash, here is your Magento instance.
Admin access: https://i-22468-2-2-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.