diff --git a/setup.bat b/setup.bat
index 83bd68e..a002254 100644
--- a/setup.bat
+++ b/setup.bat
@@ -17,17 +17,18 @@ REM Activate virtual environment
 echo 🔧 Activating virtual environment...
 call venv\Scripts\activate.bat
 
-REM Install Python dependencies
+REM Install Python dependencies. --only-binary keeps pip from running setup
+REM scripts out of source distributions.
 echo 📚 Installing Python dependencies...
-python -m pip install --upgrade pip
-pip install -r requirements.txt
+python -m pip install --upgrade --only-binary :all: pip
+pip install --only-binary :all: -r requirements.txt
 
 REM Check if Node.js is installed
 node --version >nul 2>&1
 if %errorlevel% equ 0 (
     echo 🌐 Setting up React frontend...
     cd client
-    npm install
+    npm install --ignore-scripts
     cd ..
 ) else (
     echo ⚠️  Node.js not found. Frontend setup skipped.
diff --git a/setup.sh b/setup.sh
index cd5565b..6c53b52 100644
--- a/setup.sh
+++ b/setup.sh
@@ -20,16 +20,17 @@ else
     source venv/bin/activate
 fi
 
-# Install Python dependencies
+# Install Python dependencies. --only-binary keeps pip from running setup
+# scripts out of source distributions.
 echo "📚 Installing Python dependencies..."
-pip install --upgrade pip
-pip install -r requirements.txt
+pip install --upgrade --only-binary :all: pip
+pip install --only-binary :all: -r requirements.txt
 
 # Check if Node.js is installed for frontend
 if command -v node &> /dev/null; then
     echo "🌐 Setting up React frontend..."
     cd client
-    npm install
+    npm install --ignore-scripts
     cd ..
 else
     echo "⚠️  Node.js not found. Frontend setup skipped."
diff --git a/tests/test_predict.py b/tests/test_predict.py
index ef00386..de369ab 100644
--- a/tests/test_predict.py
+++ b/tests/test_predict.py
@@ -59,8 +59,9 @@ def predict(self, x, verbose=0):
             return np.array([[0.0]])
 
     arr = np.array([[1800, 500, 8000, 6.25, 45, 6.2, 160.0]])
+    model, scaler = DummyModel(), BadScaler()
     with pytest.raises(HTTPException) as exc_info:
-        make_prediction(DummyModel(), BadScaler(), arr)
+        make_prediction(model, scaler, arr)
     assert exc_info.value.status_code == 500