diff --git a/.github/workflows/python-app.yml b/.github/workflows/python-app.yml
index b4a2d72..e3cff57 100644
--- a/.github/workflows/python-app.yml
+++ b/.github/workflows/python-app.yml
@@ -11,24 +11,25 @@ permissions:
     contents: read
 
 jobs:
-    build:
-        runs-on: ubuntu-latest
+  build:
+    runs-on: ubuntu-latest
 
-        steps:
-        - uses: actions/checkout@v4
-        - name: Set up Python 3.10
-          uses: actions/setup-python@v4
-          with:
-              python-version: "3.10"
-        
-        - name: Install dependencies
-          run: |
-              python -m pip install --upgrade pip
-              pip install flake8
-
-        - 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
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.10"
+    - name: Install system dependencies
+      run: sudo apt-get install -y portaudio19-dev
+    - 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