Comment 16 for bug 691608

same problem after upgrade to natty:
still get the error after remove/install of calibre via apt
==
bob@grytpype:~$ calibre
Traceback (most recent call last):
  File "/usr/bin/calibre", line 18, in <module>
    from calibre.gui2.main import main
  File "/usr/lib/calibre/calibre/gui2/main.py", line 19, in <module>
    from calibre.library.database2 import LibraryDatabase2
  File "/usr/lib/calibre/calibre/library/database2.py", line 22, in <module>
    from calibre.library.caches import ResultCache
  File "/usr/lib/calibre/calibre/library/caches.py", line 16, in <module>
    from calibre.utils.search_query_parser import SearchQueryParser
  File "/usr/lib/calibre/calibre/utils/search_query_parser.py", line 21, in <module>
    from pyparsing import CaselessKeyword, Group, Forward, \
ImportError: Bad magic number in /usr/lib/calibre/calibre/utils/pyparsing.pyc
bob@grytpype:~$ sudo apt-cache policy calibre
calibre:
  Installed: 0.7.44+dfsg-1build1
  Candidate: 0.7.44+dfsg-1build1
  Version table:
 *** 0.7.44+dfsg-1build1 0
        500 http://ftp.iinet.net.au/pub/ubuntu/ natty/universe amd64 Packages
        100 /var/lib/dpkg/status
bob@grytpype:~$ sudo apt-cache policy python-sip
python-sip:
  Installed: 4.12.1-1
  Candidate: 4.12.1-1
  Version table:
 *** 4.12.1-1 0
        500 http://ftp.iinet.net.au/pub/ubuntu/ natty/main amd64 Packages
        100 /var/lib/dpkg/status
bob@grytpype:~$