Update folder_ocr_process.py

@@ -340,6 +340,7 @@ class Command(BaseCommand, LoggerMixin):
             if len(true_file_set) == 0 and len(os_error_filename_set) > 0:
                 true_file_set.add(os_error_filename_set.pop())
             for name in true_file_set:
+                time.sleep(8)
                 is_success = True
                 failure_reason = OfflineFailureReason.OS_ERROR.value
                 start_time = time.time()