How to contribute to seqeval?

Fork the repository by clicking on the 'Fork' button on the repository's page. This creates a copy of the code under your GitHub user account.

Clone your fork to your local disk, and add the base repository as a remote:

git clone git@github.com:<your Github handle>/seqeval.git
cd seqeval
git remote add upstream https://github.com/chakki-works/seqeval.git

Create a new branch to hold your development changes:
```
git checkout -b a-descriptive-name-for-my-changes
```
do not work on the master branch.
Set up a development environment by running the following command in a virtual environment:
```
pipenv install --dev
```
Develop the features on your branch.
Format your code. Run flake8 and isort so that your newly added files look nice with the following command:
```
pipenv run flake8
pipenv run isort
```
Once you're happy with your script file, add your changes and make a commit to record your changes locally:
```
git add seqeval/<your_script_name>
git commit
```
It is a good idea to sync your copy of the code with the original repository regularly. This way you can quickly account for changes:
```
git fetch upstream
git rebase upstream/master
```
Push the changes to your account using:
```
git push -u origin a-descriptive-name-for-my-changes
```
Once you are satisfied, go the webpage of your fork on GitHub. Click on "Pull request" to send your to the project maintainers for review.

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