Only keep images if there's an object detected

src/objectifier.py

@@ -110,12 +110,16 @@ def analyze_image(request: Request, image: UploadFile):
             print ("writing " + str(buffer_size) + " bytes")
             f.write(chunk)
             chunk = image.file.read(buffer_size)
-    result = detector.detect_objects(
+    dectect_result = detector.detect_objects(
         infile,
         detection_timeout,
         str(outgoing_dir / (file_hash.hexdigest() + ".png")))
     remove(infile)
-    return result_to_dict(result, base_url)
+    result = result_to_dict(detect_result, base_url)
+    if not result.labels:
+        # There were no objects detected
+        remove(detect_result.outfile)
+    return result
 
 @app.get("/analyzed_images/{image_name}", response_class=FileResponse)
 def get_analyzed_image(image_name: str):