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(lifeless) Teach BzrDir.find_bzrdirs to handle PermissionDenied errors.
 (Marius Kruger) (Robert Collins)

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    from weave import WeaveFormatError
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    lines = iter(f.readlines())
 
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    try:
 
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        lines = iter(f.readlines())
 
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    finally:
 
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        f.close()
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    try:
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        l = lines.next()