Simplify get_manifest() signature

The manifest_file argument is never used, downloading to 'Manifest' is
just fine.

diff --git a/smooth-dl.py b/smooth-dl.py
index 16ee966..91b4ec2 100755 (executable)
--- a/smooth-dl.py
+++ b/smooth-dl.py
@@ -92,8 +92,7 @@ def write_wav_header(out_file, fmt, codec_private_data, data_len):
     out_file.write(struct.pack('<L', data_len))
 
 
-def get_manifest(base_url, dest_dir=tempfile.gettempdir(),
-        manifest_file='Manifest'):
+def get_manifest(base_url, dest_dir=tempfile.gettempdir()):
     """Returns the manifest and the new URL if this is changed"""
 
     if os.path.exists(dest_dir) == False:
@@ -108,7 +107,7 @@ def get_manifest(base_url, dest_dir=tempfile.gettempdir(),
         response = urllib2.urlopen(manifest_url)
         data = response.read()
 
-        manifest_path = os.path.join(dest_dir, manifest_file)
+        manifest_path = os.path.join(dest_dir, 'Manifest')
         f = open(manifest_path, "w")
         f.write(data)
         f.close()