From 1a01639bf9514c20d54e7460ba9b493b3283ca9a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Wed, 5 Jun 2019 03:06:35 +0700
Subject: [PATCH] [downloader/common] Improve rate limit (#21301)

---
 youtube_dl/downloader/common.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/youtube_dl/downloader/common.py b/youtube_dl/downloader/common.py
index 646d7f7795..1cdba89cd9 100644
--- a/youtube_dl/downloader/common.py
+++ b/youtube_dl/downloader/common.py
@@ -176,7 +176,9 @@ def slow_down(self, start_time, now, byte_counter):
             return
         speed = float(byte_counter) / elapsed
         if speed > rate_limit:
-            time.sleep(max((byte_counter // rate_limit) - elapsed, 0))
+            sleep_time = float(byte_counter) / rate_limit - elapsed
+            if sleep_time > 0:
+                time.sleep(sleep_time)
 
     def temp_name(self, filename):
         """Returns a temporary filename for the given filename."""