Update app.py

app.py

@@ -77,6 +77,7 @@ if file_name is not None:
             # Draw rectangle around the face
             y1, x2, y2, x1 = faceLoc
             y1, x2, y2, x1 = (y1 * 4), (x2 * 4), (y2 * 4) ,(x1 * 4)
+            image = image.copy()
             cv2.rectangle(image, (x1, y1), (x2, y2), (0, 255, 0), 2)
             cv2.putText(image, name, (x1 + 6, y2 - 6), cv2.FONT_HERSHEY_COMPLEX, 1, (255, 255, 255), 2)