fix: for issue #5312

fix: for issue #5312

fix: for issue #5308

Recommender - Smoke Testing

develop branch

Recommender - Smoke Testing

Merge pull request topcoder-platform#304 from topcoder-platform/develop

Release 2021/03/01 (v1.1.7)

Recommender sync with develop

Test Release - POC Recommender Sub 2 - FF4

Test Release - POC Recommender Sub 2 - FF3

Test Release - POC Recommender Sub 2 - FF2