From 1df96e59cec2dfaced6b1fedc0db1efb39094f2b Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Sat, 22 Feb 2014 23:03:00 +0100
Subject: [PATCH] [f4m] Clean up

---
 youtube_dl/downloader/f4m.py | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/youtube_dl/downloader/f4m.py b/youtube_dl/downloader/f4m.py
index 2a870a758..4e6abfe10 100644
--- a/youtube_dl/downloader/f4m.py
+++ b/youtube_dl/downloader/f4m.py
@@ -12,7 +12,6 @@
 from ..utils import (
     struct_pack,
     struct_unpack,
-    compat_urllib_request,
     compat_urlparse,
     format_bytes,
     encodeFilename,
@@ -117,8 +116,8 @@ def read_abst(self):
         self.read_unsigned_char()
         # flags
         self.read(3)
-        # BootstrapinfoVersion
-        bootstrap_info_version = self.read_unsigned_int()
+
+        self.read_unsigned_int()  # BootstrapinfoVersion
         # Profile,Live,Update,Reserved
         self.read(1)
         # time scale
@@ -127,15 +126,15 @@ def read_abst(self):
         self.read_unsigned_long_long()
         # SmpteTimeCodeOffset
         self.read_unsigned_long_long()
-        # MovieIdentifier
-        movie_identifier = self.read_string()
+
+        self.read_string()  # MovieIdentifier
         server_count = self.read_unsigned_char()
         # ServerEntryTable
         for i in range(server_count):
             self.read_string()
         quality_count = self.read_unsigned_char()
         # QualityEntryTable
-        for i in range(server_count):
+        for i in range(quality_count):
             self.read_string()
         # DrmData
         self.read_string()