diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
new file mode 100644
index 0000000..200872c
--- /dev/null
+++ b/.github/workflows/python-app.yml
@@ -0,0 +1,39 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python application
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8 pytest
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        pytest
diff --git a/sorts/radix_sort.py b/sorts/radix_sort.py
index e4cee61..d1ab3a8 100644
--- a/sorts/radix_sort.py
+++ b/sorts/radix_sort.py
@@ -7,7 +7,7 @@ def radixsort(lst):
 
     while placement < max_digit:
       # declare and initialize buckets
-      buckets = [list() for _ in range( RADIX )]
+      buckets = [[] for _ in range( RADIX )]
 
       # split lst between lists
       for i in lst:
@@ -17,8 +17,7 @@ def radixsort(lst):
       # empty lists into lst array
       a = 0
       for b in range( RADIX ):
-        buck = buckets[b]
-        for i in buck:
+        for i in buckets[b]:
           lst[a] = i
           a += 1