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  • Committer: Jelmer Vernooij
  • Date: 2011-09-04 21:41:05 UTC
  • mto: This revision was merged to the branch mainline in revision 6127.
  • Revision ID: jelmer@samba.org-20110904214105-uconiohsax3u25u6
remove unused imports.

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bzrlib/vf_repository.py
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        """
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        if not self._format.supports_external_lookups:
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            raise errors.UnstackableRepositoryFormat(self._format, self.base)
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        # This can raise an exception, so should be done before we lock the
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        # fallback repository.
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        self._check_fallback_repository(repository)
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        if self.is_locked():
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            # This repository will call fallback.unlock() when we transition to
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            # the unlocked state, so we make sure to increment the lock count
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            repository.lock_read()
 
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        self._check_fallback_repository(repository)
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        self._fallback_repositories.append(repository)
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        self.texts.add_fallback_versioned_files(repository.texts)
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        self.inventories.add_fallback_versioned_files(repository.inventories)