handle weird six import error

reduce tox parallelism in make_release

Merge pull request #42 from alexmojaki/pygments-exception

Catch exceptions from pygments.highlight

Merge pull request #41 from alexmojaki/init_tokens

Use new asttokens.ASTText

Merge pull request #40 from alexmojaki/3.11

3.11

Merge pull request #37 from aroberge/master

Implementing skip_blank option

Add 'include stack_data/py.typed' to MANIFEST.in

Merge pull request #30 from alexmojaki/serializer

Serializer

Merge pull request #22 from alexmojaki/not-python

Fallback to basic Source.pieces when there is no Source.tree. Fixes #21

Merge pull request #19 from alexmojaki/fstrings

Handle nodes inside f-strings missing location info from asttokens