diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 84cef79..a1a3ae6 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -69,6 +69,12 @@ repos:
     hooks:
       - id: add-trailing-comma
 
+  - repo: https://github.com/pycqa/isort
+    rev: 5.13.2
+    hooks:
+      - id: isort
+        name: isort (python)
+
   - repo: https://github.com/psf/black
     rev: 24.4.2
     hooks:
diff --git a/pyproject.toml b/pyproject.toml
index b6cdab9..e62db5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,5 +28,6 @@ disable = ["W0511"]
 
 # https://black.readthedocs.io/en/stable/guides/using_black_with_other_tools.html
 
+# isort
 [tool.isort]
 profile = "black"
diff --git a/python/taitotalo/muodosta-parityo-parit.py b/python/taitotalo/muodosta-parityo-parit.py
index 1447796..a14733f 100644
--- a/python/taitotalo/muodosta-parityo-parit.py
+++ b/python/taitotalo/muodosta-parityo-parit.py
@@ -2,12 +2,12 @@
 Sovellus tekee listasta pareja
 """
 
-# Tuodaan paketti tabulate.
-import tabulate
-
 # Tarvitaan parien muodostamiseen
 import random
 
+# Tuodaan paketti tabulate.
+import tabulate
+
 
 # Määritetään pääfunktio
 def main():
diff --git a/python/taitotalo/turtle-suomenlippu.py b/python/taitotalo/turtle-suomenlippu.py
index 6a1177f..a0790b2 100644
--- a/python/taitotalo/turtle-suomenlippu.py
+++ b/python/taitotalo/turtle-suomenlippu.py
@@ -1,8 +1,7 @@
 # Tuodaan turtle -kirjasto
-import turtle
-
 # Satunnaislukuja
 import random
+import turtle
 
 # ikkkuna = turtle.Screen()