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-rw-r--r--bs4/builder/_html5lib.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/bs4/builder/_html5lib.py b/bs4/builder/_html5lib.py
index cf716df..b8c2bb6 100644
--- a/bs4/builder/_html5lib.py
+++ b/bs4/builder/_html5lib.py
@@ -107,6 +107,8 @@ class AttrList(object):
return list(self.attrs.items())
def keys(self):
return list(self.attrs.keys())
+ def __len__(self):
+ return len(self.attrs)
def __getitem__(self, name):
return self.attrs[name]
def __contains__(self, name):