PEP 8: Fix indentation of two paragraphs in list

[vkbo]

Two paragraphs in the Programming Recommendations section of PEP 8 seem to have the wrong indentation. It is the bullet point regarding usage of isinstance(), and it seems to me they are supposed to be a part of that bullet point.

[the-knights-who-say-ni]

Hello, and thanks for your contribution!

I'm a bot set up to make sure that the project can legally accept this contribution by verifying everyone involved has signed the PSF contributor agreement (CLA).

CLA Missing

Our records indicate the following people have not signed the CLA:

@vkbo

For legal reasons we need all the people listed to sign the CLA before we can look at your contribution. Please follow the steps outlined in the CPython devguide to rectify this issue.

If you have recently signed the CLA, please wait at least one business day
before our records are updated.

You can check yourself to see if the CLA has been received.

Thanks again for the contribution, we look forward to reviewing it!

[vkbo]

I've signed the CLA, so I guess it's the delay. Sorry for the inconvenience.

[gvanrossum]

Thanks for your keen eye for detail!