No, I have got this error.

sinan@sinan-1015PEM:~$ 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/__init__.py", line 19, in <module>
    from calibre.ebooks.metadata.meta import get_metadata, metadata_from_formats
  File "/usr/lib/calibre/calibre/ebooks/metadata/meta.py", line 9, in <module>
    from calibre.ebooks.metadata.opf2 import OPF
  File "/usr/lib/calibre/calibre/ebooks/metadata/opf2.py", line 14, in <module>
    from lxml import etree
  File "lxml.etree.pyx", line 239, in init lxml.etree
(src/lxml/lxml.etree.c:156733)
  File "lxml.etree.pyx", line 201, in lxml.etree.__unpackDottedVersion
(src/lxml/lxml.etree.c:7109)
LookupError: unknown encoding: ASCII
Error in sys.excepthook:
Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/apport_python_hook.py", line
94, in apport_excepthook
    if pr.check_ignored():
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 763,
in check_ignored
    dom = self._get_ignore_dom()
  File "/usr/lib/python2.7/dist-packages/apport/report.py", line 724,
in _get_ignore_dom
    dom = xml.dom.getDOMImplementation().createDocument(None, 'apport', None)
  File "/usr/lib/python2.7/dist-packages/cssutils/__init__.py", line
160, in createDocument
    raise NotImplementedError
NotImplementedError

Original exception was:
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/__init__.py", line 19, in <module>
    from calibre.ebooks.metadata.meta import get_metadata, metadata_from_formats
  File "/usr/lib/calibre/calibre/ebooks/metadata/meta.py", line 9, in <module>
    from calibre.ebooks.metadata.opf2 import OPF
  File "/usr/lib/calibre/calibre/ebooks/metadata/opf2.py", line 14, in <module>
    from lxml import etree
  File "lxml.etree.pyx", line 239, in init lxml.etree
(src/lxml/lxml.etree.c:156733)
  File "lxml.etree.pyx", line 201, in lxml.etree.__unpackDottedVersion
(src/lxml/lxml.etree.c:7109)
LookupError: unknown encoding: ASCII

2011/4/10 S.Rey <email address hidden>:
> Hi,
> I've just upgraded from maverick to natty, and now calibre doesn't open. It's 0.7.44 here.
>
> calibre 0.7.44+dfsg-1build1
> python-sip 4.12.1-1
>
> --
> You received this bug notification because you are a direct subscriber
> of the bug.
> https://bugs.launchpad.net/bugs/691608
>
> Title:
>  calibre does not start
>
> Status in “calibre” package in Ubuntu:
>  Incomplete
>
> Bug description:
>  Binary package hint: 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/__init__.py", line 18, in <module>
>      from calibre.ebooks.metadata.meta import get_metadata, metadata_from_formats
>    File "/usr/lib/calibre/calibre/ebooks/metadata/meta.py", line 9, in <module>
>      from calibre.ebooks.metadata.opf2 import OPF
>    File "/usr/lib/calibre/calibre/ebooks/metadata/opf2.py", line 14, in <module>
>      from lxml import etree
>    File "lxml.etree.pyx", line 183, in init lxml.etree (src/lxml/lxml.etree.c:141500)
>  LookupError: unknown encoding: ASCII
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/691608/+subscribe
>



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