Comment 1 for bug 1572790

This affects me as well. It doesn't download any subtitle. If you run it from the terminal, this is the output:

Traceback (most recent call last):
  File "/usr/share/pyshared/subdownloader/gui/main.py", line 1143, in onButtonDownload
    osHttpRequests.download('http://www.opensubtitles.org/en/download/file/%s.gz' %sub.getIdFileOnline(), destinationPath)
  File "/usr/share/pyshared/subdownloader/modules/OSHttpRequests.py", line 72, in download
    self.unpack_subtitle(gz_path, local_path)
  File "/usr/share/pyshared/subdownloader/modules/OSHttpRequests.py", line 51, in unpack_subtitle
    fileContent = fileObj.readlines();
  File "/usr/lib/python2.7/gzip.py", line 464, in readline
    c = self.read(readsize)
  File "/usr/lib/python2.7/gzip.py", line 268, in read
    self._read(readsize)
  File "/usr/lib/python2.7/gzip.py", line 303, in _read
    self._read_gzip_header()
  File "/usr/lib/python2.7/gzip.py", line 197, in _read_gzip_header
    raise IOError, 'Not a gzipped file'
IOError: Not a gzipped file

This is on Ubuntu 15.10 64-bit.