fix spacing in PR template

.github/pull_request_template.md

@@ -1,24 +1,18 @@
 **Proposed changes**
-Describe the changes implemented in this pull request. If the changes fix a 
-bug or resolves a feature request, be sure to link the issue. Please explain 
-the issue and how the changes address the issue.
+Describe the changes implemented in this pull request. If the changes fix a bug or resolves a feature request, be sure to link the issue. Please explain the issue and how the changes address the issue.
 
 **Types of changes**
-What types of changes does your code introduce? Put an `x` in the boxes that 
-apply
+What types of changes does your code introduce? Put an `x` in the boxes that apply
 
 - [ ] Bugfix (non-breaking change which fixes an issue)
 - [ ] New feature (non-breaking change which adds functionality)
-- [ ] Breaking change (fix or feature that would cause existing functionality 
-to not work as expected)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
 - [ ] Other (if none of the other choices apply)
 
 **Checklist**
-Put an `x` in the boxes that apply. You can also fill these out after creating 
-the PR. If you are unsure about any of the choices, don't hesitate to ask!
+Put an `x` in the boxes that apply. You can also fill these out after creating the PR. If you are unsure about any of the choices, don't hesitate to ask!
 
-- [ ] Changes have been tested to ensure that fix is effective or that a 
-feature works.
+- [ ] Changes have been tested to ensure that fix is effective or that a feature works.
 - [ ] Changes pass the unit tests
 - [ ] Code has been run through the `poe quality` task
 - [ ] I have included necessary documentation or comments (as necessary)