3 files changed, 4 insertions, 5 deletions
diff --git a/youtube_dl/downloader/common.py b/youtube_dl/downloader/common.py
index 7c33004b1..c0af50c59 100644
--- a/youtube_dl/downloader/common.py
+++ b/youtube_dl/downloader/common.py
@@ -81,7 +81,7 @@ class FileDownloader(object):
         if total is None:
             return None
         dif = now - start
-        if current == 0 or dif < 0.001: # One millisecond
+        if current == 0 or dif < 0.001:  # One millisecond
             return None
         rate = float(current) / dif
         return int((float(total) - float(current)) / rate)
@@ -95,7 +95,7 @@ class FileDownloader(object):
     @staticmethod
     def calc_speed(start, now, bytes):
         dif = now - start
-        if bytes == 0 or dif < 0.001: # One millisecond
+        if bytes == 0 or dif < 0.001:  # One millisecond
             return None
         return float(bytes) / dif
 
@@ -108,7 +108,7 @@ class FileDownloader(object):
     @staticmethod
     def best_block_size(elapsed_time, bytes):
         new_min = max(bytes / 2.0, 1.0)
-        new_max = min(max(bytes * 2.0, 1.0), 4194304) # Do not surpass 4 MB
+        new_max = min(max(bytes * 2.0, 1.0), 4194304)  # Do not surpass 4 MB
         if elapsed_time < 0.001:
             return int(new_max)
         rate = bytes / elapsed_time
diff --git a/youtube_dl/downloader/hls.py b/youtube_dl/downloader/hls.py
index 68eafa403..0c33d39ee 100644
--- a/youtube_dl/downloader/hls.py
+++ b/youtube_dl/downloader/hls.py
@@ -101,4 +101,3 @@ class NativeHlsFD(FileDownloader):
         })
         self.try_rename(tmpfilename, filename)
         return True
-
diff --git a/youtube_dl/downloader/rtmp.py b/youtube_dl/downloader/rtmp.py
index 17d9631fa..b8e104c59 100644
--- a/youtube_dl/downloader/rtmp.py
+++ b/youtube_dl/downloader/rtmp.py
@@ -180,7 +180,7 @@ class RtmpFD(FileDownloader):
         while (retval == RD_INCOMPLETE or retval == RD_FAILED) and not test and not live:
             prevsize = os.path.getsize(encodeFilename(tmpfilename))
             self.to_screen('[rtmpdump] %s bytes' % prevsize)
-            time.sleep(5.0) # This seems to be needed
+            time.sleep(5.0)  # This seems to be needed
             retval = run_rtmpdump(basic_args + ['-e'] + [[], ['-k', '1']][retval == RD_FAILED])
             cursize = os.path.getsize(encodeFilename(tmpfilename))
             if prevsize == cursize and retval == RD_FAILED: