Fix linting

.github/PULL_REQUEST_TEMPLATE.md

@@ -8,20 +8,18 @@ Include a summary of major changes in bullet points:
 ## Additional dependencies introduced (if any)
 
 * List all new dependencies needed and justify why.
-
 
 ## TODO (if any)
 
 If this is a work-in-progress, write something about what else needs to be done.
 
 * Feature 1 supports A, but not B.
 
-
 ## Checklist
 
 Before a pull request can be merged, the following items must be checked:
 
-* [ ] Make sure your code is properly formatted. [isort](https://pycqa.github.io/isort/) and [black](https://black.readthedocs.io/en/stable/getting_started.html) are used for this purpose. The simplest way is to use [pre-commit](https://pre-commit.com). See instructions [here](https://github.com/openkim/kliff/blob/main/docs/source/contributing_guide.md#code-style). 
+* [ ] Make sure your code is properly formatted. [isort](https://pycqa.github.io/isort/) and [black](https://black.readthedocs.io/en/stable/getting_started.html) are used for this purpose. The simplest way is to use [pre-commit](https://pre-commit.com). See instructions [here](https://github.com/openkim/kliff/blob/main/docs/source/contributing_guide.md#code-style).
 * [ ] Doc strings have been added in the [Google docstring format](https://www.sphinx-doc.org/en/master/usage/extensions/example_google.html) on your code.
 * [ ] Type annotations are **highly** encouraged. Run [mypy](http://mypy-lang.org) to
   type check your code.