PR Preview failed to build. (Last tried on Mar 27, 2020, 5:58 PM UTC).
More
PR Preview relies on a number of web services to run. There seems to be an issue with the following one:
:rotating_light: [CSS Spec Preprocessor](https://api.csswg.org/bikeshed/) - CSS Spec Preprocessor is the web service used to build Bikeshed specs.
:link: [Related URL](https://api.csswg.org/bikeshed/?url=https%3A%2F%2Fraw.githubusercontent.com%2FWICG%2Flayout-instability%2F329288da9f04aa35a8a09766c02af4c636e69454%2Findex.bs&md-warning=not%20ready)
```
Error running preprocessor, returned code: 1.
Bikeshed has updated to Python 3, but you are trying to run it with
Python 2.7.9. For instructions on upgrading, please check:
https://tabatkins.github.io/bikeshed/#installing
```
_If you don't have enough information above to solve the error by yourself (or to understand to which web service the error is related to, if any), please [file an issue](https://github.com/tobie/pr-preview/issues/new?title=Error%20not%20surfaced%20properly&body=See%20WICG/layout-instability%2339.)._
Relevant issue: https://github.com/w3c/performance-timeline/issues/162
:boom: Error: 400 Bad Request :boom:
PR Preview failed to build. (Last tried on Mar 27, 2020, 5:58 PM UTC).
More
PR Preview relies on a number of web services to run. There seems to be an issue with the following one: :rotating_light: [CSS Spec Preprocessor](https://api.csswg.org/bikeshed/) - CSS Spec Preprocessor is the web service used to build Bikeshed specs. :link: [Related URL](https://api.csswg.org/bikeshed/?url=https%3A%2F%2Fraw.githubusercontent.com%2FWICG%2Flayout-instability%2F329288da9f04aa35a8a09766c02af4c636e69454%2Findex.bs&md-warning=not%20ready) ``` Error running preprocessor, returned code: 1. Bikeshed has updated to Python 3, but you are trying to run it with Python 2.7.9. For instructions on upgrading, please check: https://tabatkins.github.io/bikeshed/#installing ``` _If you don't have enough information above to solve the error by yourself (or to understand to which web service the error is related to, if any), please [file an issue](https://github.com/tobie/pr-preview/issues/new?title=Error%20not%20surfaced%20properly&body=See%20WICG/layout-instability%2339.)._