Log message:
py-nbformat: convert to egg.mk

Bump PKGREVISION.

Log message:
Forget about Python 3.6

Log message:
www: Replace RMD160 checksums with BLAKE2s checksums

All checksums have been double-checked against existing RMD160 and
SHA512 hashes

Not committed (merge conflicts):
www/nghttp2/distinfo

Unfetchable distfiles (almost certainly fetched conditionally...):
./www/nginx-devel/distinfo array-var-nginx-module-0.05.tar.gz
./www/nginx-devel/distinfo echo-nginx-module-0.62.tar.gz
./www/nginx-devel/distinfo encrypted-session-nginx-module-0.08.tar.gz
./www/nginx-devel/distinfo form-input-nginx-module-0.12.tar.gz
./www/nginx-devel/distinfo headers-more-nginx-module-0.33.tar.gz
./www/nginx-devel/distinfo lua-nginx-module-0.10.19.tar.gz
./www/nginx-devel/distinfo naxsi-1.3.tar.gz
./www/nginx-devel/distinfo nginx-dav-ext-module-3.0.0.tar.gz
./www/nginx-devel/distinfo nginx-rtmp-module-1.2.2.tar.gz
./www/nginx-devel/distinfo nginx_http_push_module-1.2.10.tar.gz
./www/nginx-devel/distinfo ngx_cache_purge-2.5.1.tar.gz
./www/nginx-devel/distinfo ngx_devel_kit-0.3.1.tar.gz
./www/nginx-devel/distinfo ngx_http_geoip2_module-3.3.tar.gz
./www/nginx-devel/distinfo njs-0.5.0.tar.gz
./www/nginx-devel/distinfo set-misc-nginx-module-0.32.tar.gz
./www/nginx/distinfo array-var-nginx-module-0.05.tar.gz
./www/nginx/distinfo echo-nginx-module-0.62.tar.gz
./www/nginx/distinfo encrypted-session-nginx-module-0.08.tar.gz
./www/nginx/distinfo form-input-nginx-module-0.12.tar.gz
./www/nginx/distinfo headers-more-nginx-module-0.33.tar.gz
./www/nginx/distinfo lua-nginx-module-0.10.19.tar.gz
./www/nginx/distinfo naxsi-1.3.tar.gz
./www/nginx/distinfo nginx-dav-ext-module-3.0.0.tar.gz
./www/nginx/distinfo nginx-rtmp-module-1.2.2.tar.gz
./www/nginx/distinfo nginx_http_push_module-1.2.10.tar.gz
./www/nginx/distinfo ngx_cache_purge-2.5.1.tar.gz
./www/nginx/distinfo ngx_devel_kit-0.3.1.tar.gz
./www/nginx/distinfo ngx_http_geoip2_module-3.3.tar.gz
./www/nginx/distinfo njs-0.5.0.tar.gz
./www/nginx/distinfo set-misc-nginx-module-0.32.tar.gz

Log message:
www: Remove SHA1 hashes for distfiles

Log message:
py-traitlets: doesn't support Python 3.6 in version 5

Log message:
py-nbformat: updated to 5.1.3

5.1.3
=====
- Change id generation to be hash based to avoid problematic word combinations
- Added tests for python 3.9
- Fixed setup.py build operations to include package data

5.1.2
=====
- Fixed missing file in manifest

5.1.1
=====
- Changes convert.upgrade to upgrade minor 4.x versions to 4.5

5.1.0
=====
- Implemented CellIds from JEP-62
- Fixed a regression introduced when using fastjsonschema,
  which does not directly support to validate a \ 
"reference"/"subschema"
- Removed unreachable/unneeded code
- Added CI workflow for package release on tag push

Log message:
py-nbformat: updated to 5.0.8

5.0.8
- Add optional support for using `fastjsonschema` as the JSON validation library.
  To enable fast validation, install `fastjsonschema` and set the environment
  variable `NBFORMAT_VALIDATOR` to the value `fastjsonschema`.

Log message:
py-nbformat: updated to 5.0.7

5.0.7
- Fixed a bug where default values for validator.get_validator() failed with an \ 
import error

Log message:
py-nbformat: updated to 5.0.6

5.0.6
=====
- nbformat.read() function has a better duck-type interface and will raise more
  meaningful error messages if it can't parse a notebook document.

5.0.5
=====
- Allow notebook format 4.0 and 4.1 to have the arbitrary JSON mimebundles
  from format 4.2 for pragmatic purposes.
- Support reading/writing path-like objects has been added to read operations.

5.0.4
=====
- Fixed issue causing python 2 to pick up 5.0.x releases.

5.0.3
=====
- Removed debug print statements from project.

5.0.2
=====
- Added schema validation files for older versions. This was breaking notebook \ 
generation.

5.0
===
`5.0 on GitHub <https://github.com/jupyter/nbformat/milestone/5>`__

- Starting with 5.0, ``nbformat`` is now Python 3 only (>= 3.5)
- Add execution timings in code cell metadata for v4 spec.
  ``"metadata": { "execution": {...}}`` should be populated \ 
with kernel-specific
  timing information.
- Documentation for how markup is used in notebooks added
- Link to json schema docs from format page added
- Documented the editable metadata flag
- Update description for collapsed field
- Documented notebook format versions 4.0-4.3 with accurate json schema \ 
specification files
- Clarified info about :ref:`name`'s meaning for cells
- Added a default execution_count of None for new_output_cell('execute_result')
- Added support for handling nbjson kwargs
- Wheels now correctly have a LICENSE file
- Travis builds now have a few more execution environments

Log message:
Use https for jupyter.org.