diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 4cd29a6..118e45c 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Migrate to ruff formatter (replaces black)
 fdf3066e3346c925faaf8fdc3746698588d77dad
+
+# Reformatted imports after switching ruff isort to one-per-line
+1e54be6ea46787429cd7a060bfa17187dbb6510a
diff --git a/pyproject.toml b/pyproject.toml
index a9585b5..eec6ff3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,4 +60,7 @@ max-complexity = 10
 
 [tool.ruff.lint.isort]
 known-first-party = ["le_utils"]
-combine-as-imports = true
+# Match the prior reorder-python-imports style: one import per line,
+# sorted case-insensitively rather than grouped by type.
+force-single-line = true
+order-by-type = false
diff --git a/scripts/add_language.py b/scripts/add_language.py
index 29510c2..77b141b 100644
--- a/scripts/add_language.py
+++ b/scripts/add_language.py
@@ -4,7 +4,9 @@
 import logging
 import os
 import sys
-from typing import Any, Dict, Optional
+from typing import Any
+from typing import Dict
+from typing import Optional
 
 try:
     import langcodes
diff --git a/scripts/generate_from_specs.py b/scripts/generate_from_specs.py
index cb00ea0..598daa1 100644
--- a/scripts/generate_from_specs.py
+++ b/scripts/generate_from_specs.py
@@ -15,7 +15,8 @@
 from glob import glob
 from hashlib import md5
 from importlib.metadata import version as get_version
-from uuid import UUID, uuid3
+from uuid import UUID
+from uuid import uuid3
 
 try:
     FileNotFoundError
diff --git a/tests/test_schemas.py b/tests/test_schemas.py
index 6697c0a..c9ad672 100644
--- a/tests/test_schemas.py
+++ b/tests/test_schemas.py
@@ -8,7 +8,11 @@
 
 import pytest
 
-from le_utils.constants import completion_criteria, embed_content_request, embed_topics_request, learning_objectives, mastery_criteria
+from le_utils.constants import completion_criteria
+from le_utils.constants import embed_content_request
+from le_utils.constants import embed_topics_request
+from le_utils.constants import learning_objectives
+from le_utils.constants import mastery_criteria
 
 try:
     # the jsonschema package for python 3.4 is too old, so if not present, we'll just skip