/usr/lib/python2.7/dist-packages/gt/extended/ is in python-genometools 1.5.1-2ubuntu1.
This file is owned by root:root, with mode 0o755.
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/usr/lib/python2.7/dist-packages/gt/extended/__init__.py
/usr/lib/python2.7/dist-packages/gt/extended/add_introns_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/anno_db.py
/usr/lib/python2.7/dist-packages/gt/extended/comment_node.py
/usr/lib/python2.7/dist-packages/gt/extended/custom_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/custom_stream_example.py
/usr/lib/python2.7/dist-packages/gt/extended/custom_visitor.py
/usr/lib/python2.7/dist-packages/gt/extended/custom_visitor_example.py
/usr/lib/python2.7/dist-packages/gt/extended/dup_feature_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/eof_node.py
/usr/lib/python2.7/dist-packages/gt/extended/feature_index.py
/usr/lib/python2.7/dist-packages/gt/extended/feature_node.py
/usr/lib/python2.7/dist-packages/gt/extended/feature_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/genome_node.py
/usr/lib/python2.7/dist-packages/gt/extended/genome_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/gff3_in_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/gff3_out_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/gff3_visitor.py
/usr/lib/python2.7/dist-packages/gt/extended/inter_feature_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/merge_feature_stream.py
/usr/lib/python2.7/dist-packages/gt/extended/meta_node.py
/usr/lib/python2.7/dist-packages/gt/extended/node_visitor.py
/usr/lib/python2.7/dist-packages/gt/extended/rdb.py
/usr/lib/python2.7/dist-packages/gt/extended/region_node.py
/usr/lib/python2.7/dist-packages/gt/extended/sequence_node.py
/usr/lib/python2.7/dist-packages/gt/extended/strand.py