867
867
return not isinstance(self._format, format.__class__)
869
869
def open_branch(self, name=None, unsupported=False,
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871
"""See BzrDir.open_branch."""
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872
from bzrlib.plugins.weave_fmt.branch import BzrBranchFormat4
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873
format = BzrBranchFormat4()
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874
format.check_support_status(unsupported)
875
return format.open(self, name, _found=True,
877
878
def sprout(self, url, revision_id=None, force_new_repo=False,
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879
possible_transports=None, accelerator_tree=None,