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Diffstat (limited to 'bs4/builder/__init__.py')
-rw-r--r-- | bs4/builder/__init__.py | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/bs4/builder/__init__.py b/bs4/builder/__init__.py index 4c22b86..dc7deb9 100644 --- a/bs4/builder/__init__.py +++ b/bs4/builder/__init__.py @@ -157,7 +157,16 @@ class TreeBuilder(object): # value is a whitespace-separated list of CSS # classes. Split it into a list. value = attrs[cdata_list_attr] - values = whitespace_re.split(value) + if isinstance(value, basestring): + values = whitespace_re.split(value) + else: + # html5lib sometimes calls setAttributes twice + # for the same tag when rearranging the parse + # tree. On the second call the attribute value + # here is already a list. If this happens, + # leave the value alone rather than trying to + # split it again. + values = value attrs[cdata_list_attr] = values return attrs |