Fix http 500 ngc v1.0.0b2
This pull request **introduces 1 alert** when merging 4f0baa600e628c3bc964be157a258d7dea590259 into 0c575303f49dc0060ad1ff13f3ec9f6e2dcbc381 - [view on LGTM.com](https://lgtm.com/projects/g/NVIDIA/NeMo/rev/pr-d58640ed1f19ca480d854b6e6914fa40c21d5cc6)

**new alerts:**

* 1 for Except block handles &#39;BaseException&#39; This pull request **introduces 1 alert** when merging 87b10c1890a5170bc752316be41e9b6d1dc5c9c0 into 0c575303f49dc0060ad1ff13f3ec9f6e2dcbc381 - [view on LGTM.com](https://lgtm.com/projects/g/NVIDIA/NeMo/rev/pr-07e82da68288ebddb7b2d77a76ed3fc2850929d0)

**new alerts:**

* 1 for Except block handles &#39;BaseException&#39; looks like it fails on code formatting though This pull request **introduces 1 alert** when merging cb0a5176876f80cacb571f0e761535b2bdb90f20 into 0c575303f49dc0060ad1ff13f3ec9f6e2dcbc381 - [view on LGTM.com](https://lgtm.com/projects/g/NVIDIA/NeMo/rev/pr-cefe62200e4bdc5bc858569e3d4ff3c0ac446297)

**new alerts:**

* 1 for Except block handles &#39;BaseException&#39;
Try and wait in case NGC download fails.