Retry request: priority_adjust cannot be float (Request.priority is int)

scrapy/downloadermiddlewares/retry.py

@@ -41,7 +41,7 @@ def get_retry_request(
     spider: Spider,
     reason: Union[str, Exception] = 'unspecified',
     max_retry_times: Optional[int] = None,
-    priority_adjust: Union[int, float, None] = None,
+    priority_adjust: Optional[int] = None,
     logger: Logger = retry_logger,
     stats_base_key: str = 'retry',
 ):