update lint action to follow black-flake8 interaction recommendation

.github/workflows/lint_action.yml

@@ -35,3 +35,4 @@ jobs:
           black_auto_fix: true
           flake8: true
           flake8_auto_fix: false
+          flake8_args: "--extend-ignore=E203 --max-line-length=88"

README.md

@@ -31,7 +31,7 @@ def count_line(f, line):
   - Camel case with spaces for jupyter notebook: Analyze Brain Data.ipynb
 * Delete dead code! Don't outcomment code you don't use anymore, but delete it instead. If you need to find it again, that's what we have git for. 
 * Use Jupyter Notebooks only for explanations and visualization. The actual programming should be happening in `.py` files. 
-* This repository is automatically set up with Github Actions/[Lint Action](https://github.com/marketplace/actions/lint-action) that will format your code using black and check for problems with flake8 ([without E203, W503](https://black.readthedocs.io/en/stable/faq.html#why-are-flake8-s-e203-and-w503-violated)). If either of them fails, you will not be able to merge your files unless you fix it. If this creates problem you cannot solve contact: florian@allfed.info
+* This repository is automatically set up with Github Actions/[Lint Action](https://github.com/marketplace/actions/lint-action) that will format your code using black and check for problems with flake8 ([without E203](https://github.com/psf/black/blob/06ccb88bf2bd35a4dc5d591bb296b5b299d07323/docs/guides/using_black_with_other_tools.md#flake8)). If either of them fails, you will not be able to merge your files unless you fix it. If this creates problem you cannot solve contact: florian@allfed.info
 * You can deactivate the branch protection that makes sure that only correct and styled code can be merged, but it is not recommended.