diff --git a/Dockerfile b/Dockerfile
index 86a339f51..201ba4bdb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,10 @@
-FROM debian:buster-slim
+FROM debian:stretch-slim
 LABEL maintainer "blakeb@blakeshome.com"
 
 ENV DEBIAN_FRONTEND=noninteractive
 # Install packages for apt repo
 RUN apt -qq update && apt -qq install --no-install-recommends -y \
+    apt-transport-https ca-certificates \
     gnupg wget \
     ffmpeg \
     python3 \
@@ -15,7 +16,7 @@ RUN apt -qq update && apt -qq install --no-install-recommends -y \
     # pillow-simd
     # zlib1g-dev libjpeg-dev \
     # VAAPI drivers for Intel hardware accel
-    libva-drm2 libva2 i965-va-driver vainfo \
+    i965-va-driver vainfo \
     && echo "deb https://packages.cloud.google.com/apt coral-edgetpu-stable main" > /etc/apt/sources.list.d/coral-edgetpu.list \
     && wget -q -O - https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - \
     && apt -qq update \
diff --git a/detect_objects.py b/detect_objects.py
index b7156bab2..6eb1704e6 100644
--- a/detect_objects.py
+++ b/detect_objects.py
@@ -133,7 +133,7 @@ def main():
             response.headers['Content-Type'] = 'image/jpg'
             return response
         else:
-            return f'Camera named {camera_name} not found', 404
+            return "Camera named {} not found".format(camera_name), 404
 
     @app.route('/<camera_name>')
     def mjpeg_feed(camera_name):
@@ -142,7 +142,7 @@ def main():
             return Response(imagestream(camera_name),
                             mimetype='multipart/x-mixed-replace; boundary=frame')
         else:
-            return f'Camera named {camera_name} not found', 404
+            return "Camera named {} not found".format(camera_name), 404
 
     def imagestream(camera_name):
         while True:
diff --git a/frigate/objects.py b/frigate/objects.py
index 9703da123..eb3816801 100644
--- a/frigate/objects.py
+++ b/frigate/objects.py
@@ -254,7 +254,7 @@ class ObjectTracker(threading.Thread):
                     self.camera.objects_tracked.notify_all()
 
     def register(self, index, obj):
-        id = f"{str(obj['frame_time'])}-{index}"
+        id = "{}-{}".format(str(obj['frame_time']), index)
         obj['id'] = id
         obj['top_score'] = obj['score']
         self.add_history(obj)
@@ -396,7 +396,7 @@ class BestFrames(threading.Thread):
                     best_frame = self.camera.frame_cache[obj['frame_time']]
 
                     draw_box_with_label(best_frame, obj['box']['xmin'], obj['box']['ymin'], 
-                        obj['box']['xmax'], obj['box']['ymax'], obj['name'], f"{int(obj['score']*100)}% {obj['area']}")
+                        obj['box']['xmax'], obj['box']['ymax'], obj['name'], "{}% {}".format(int(obj['score']*100), obj['area']))
                     
                     # print a timestamp
                     time_to_show = datetime.datetime.fromtimestamp(obj['frame_time']).strftime("%m/%d/%Y %H:%M:%S")
diff --git a/frigate/video.py b/frigate/video.py
index 54ffa69f4..a2a62d207 100644
--- a/frigate/video.py
+++ b/frigate/video.py
@@ -329,11 +329,11 @@ class Camera:
             tracked_objects = copy.deepcopy(self.object_tracker.tracked_objects)
 
         for obj in detected_objects:
-            draw_box_with_label(frame, obj['box']['xmin'], obj['box']['ymin'], obj['box']['xmax'], obj['box']['ymax'], obj['name'], f"{int(obj['score']*100)}% {obj['area']}", thickness=3)
+            draw_box_with_label(frame, obj['box']['xmin'], obj['box']['ymin'], obj['box']['xmax'], obj['box']['ymax'], obj['name'], "{}% {}".format(int(obj['score']*100), obj['area']), thickness=3)
         
         for id, obj in tracked_objects.items():
             color = (0, 255,0) if obj['frame_time'] == frame_time else (255, 0, 0)
-            draw_box_with_label(frame, obj['box']['xmin'], obj['box']['ymin'], obj['box']['xmax'], obj['box']['ymax'], obj['name'], f"{id}", color=color, thickness=1, position='bl')
+            draw_box_with_label(frame, obj['box']['xmin'], obj['box']['ymin'], obj['box']['xmax'], obj['box']['ymax'], obj['name'], id, color=color, thickness=1, position='bl')
 
         # print a timestamp
         time_to_show = datetime.datetime.fromtimestamp(frame_time).strftime("%m/%d/%Y %H:%M:%S")