web-api

On https://slack.dev/bolt-python/concepts at line 12 of "Example with AWS Lambda" there is "&gt;" displayed, instead of ">" symbol. To fix this you have to remove "<span class="p">;</span>" after it

Category (place an x in each of the [ ])

• slack_bolt.App and/or its core components
• slack_bolt.async_app.AsyncApp and/or its core components
• Adapters in **sl

We are certainly compatible with Python 3.9 (no reason we wouldn't be), but a few things we could be doing for more official Python 3.9 support:

• Test against 3.9 in CI. We might consider dropping 3.6 from the test matrix.
• Update the version badges and trove classifiers to showcase official 3.9 support.

Describe the bug
There is an issue with the OG image. It doesn't appear correctly when we share the web app on social media.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'https://webapis-playground.vercel.app/'
2. Share this URL on social media.
3. The OG

The filter should do the following:

• return json formatted response. (reference 1, reference 2)
• (optional) convert the underlying system exception message to a generic user friendly message
• (optional) using .net core build in log class