use sleep instead of log

src/utils.py

@@ -15,8 +15,8 @@ def start_html_stream(output_frame, lock):
             with lock:
                 if output_frame[0] is None:
                     # TODO: Investigate why if remove this print or time.sleep (but not both at the same time), the stream does not work
-                    # time.sleep(0.5)
-                    print(f"{time.time()} - Frame is None.")
+                    time.sleep(0.2)
+                    # print(f"{time.time()} - Frame is None.")
                     continue
                 (flag, encoded_image) = cv2.imencode(".jpg", output_frame[0])
                 if not flag: