#0  0xb7d50743 in pkgCacheGenerator::ListParser::NewDepends ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#1  0xb7d7c344 in debListParser::ParseDepends ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#2  0xb7d7c57b in debListParser::NewVersion ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#3  0xb7d51859 in pkgCacheGenerator::MergeList ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#4  0xb7d8c62d in debPackagesIndex::Merge ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#5  0xb7d50b83 in ?? () from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#6  0xb7d53d96 in pkgMakeStatusCache ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#7  0xb7d4a0c9 in pkgCacheFile::BuildCaches ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#8  0xb7d4a1f4 in pkgCacheFile::Open ()
   from /usr/lib/libapt-pkg-libc6.9-6.so.4.7
#9  0xb7dbe5c6 in TmpGetCache ()
   from /usr/lib/python2.6/dist-packages/apt_pkg.so
#10 0x080de542 in PyEval_EvalFrameEx ()
#11 0x080e0098 in PyEval_EvalCodeEx ()
#12 0x080de5d8 in PyEval_EvalFrameEx ()
#13 0x080e0098 in PyEval_EvalCodeEx ()
#14 0x080e01f7 in PyEval_EvalCode ()
#15 0x080fe111 in PyRun_FileExFlags ()
#16 0x080fe462 in PyRun_SimpleFileExFlags ()
#17 0x0805c882 in Py_Main ()
#18 0x0805b972 in main ()