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-rw-r--r--tablib/core.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/tablib/core.py b/tablib/core.py
index a8ad75a..7f2d604 100644
--- a/tablib/core.py
+++ b/tablib/core.py
@@ -86,7 +86,9 @@ class Row(object):
elif isinstance(tag, basestring):
return (tag in self.tags)
else:
- return True if len(set(tag) and set(self.tags)) else False
+ return bool(len(set(tag) & set(self.tags)))
+
+
class Dataset(object):