diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 2261e100cb..1e8099eb21 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -3,7 +3,7 @@
 1. [ ] If you've added code that should be tested, add tests
 2. [ ] If you've changed APIs, update (or create!) the documentation
 3. [ ] Ensure the tests pass
-4. [ ] Make sure that your code lints and that you've followed [our coding style](https://github.com/kobotoolbox/kpi/blob/master/CONTRIBUTING.md)
+4. [ ] Run `./python-format.sh` to make sure that your code lints and that you've followed [our coding style](https://github.com/kobotoolbox/kpi/blob/master/CONTRIBUTING.md)
 5. [ ] Write a title and, if necessary, a description of your work suitable for publishing in our [release notes](https://community.kobotoolbox.org/tag/release-notes)
 6. [ ] Mention any related issues in this repository (as #ISSUE) and in other repositories (as kobotoolbox/other#ISSUE)
 7. [ ] Open an issue in the [docs](https://github.com/kobotoolbox/docs/issues/new) if there are UI/UX changes
diff --git a/format-python.sh b/format-python.sh
index d6327b8abc..0a188b3ddb 100755
--- a/format-python.sh
+++ b/format-python.sh
@@ -22,9 +22,10 @@ if [ -n "$PYTHON_CHANGES" ]; then
     echo "Using ruff..."
     git diff --name-only "$BASE_REVISION" | grep '\.py' | xargs ruff check --select Q --select I --select F401 --select UP026 --select UP034 --select UP039 --select W292 --fix
 
-    # Applying Black format on changes (since $BASE_REVISION)
+    # Applying Black format on changes
     echo "Using darker..."
-    darker -i -r "$BASE_REVISION"
+    # Use `isort` and compare changes with revision $BASE_REVISION
+    darker --isort --revision "$BASE_REVISION"
 else
     echo "No Python changes detected!"
 fi
diff --git a/pyproject.toml b/pyproject.toml
index f5b4058e18..981b67b895 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@
 # Do not enable `verbose = true` unless Black changes their behavior to respect
 # `--quiet` on the command line properly
 # verbose = true
-line-length = 80
+line-length = 88
 skip-string-normalization = true
 
 [tool.darker]
@@ -17,7 +17,7 @@ isort = true
 
 [tool.isort]
 profile = "black"
-line_length = 80 # same as black
+line_length = 88 # same as black
 known_first_party = "kobo"
 no_lines_before = ["LOCALFOLDER"]