/usr/lib/python2.7/dist-packages/google/ is in python-protobuf 2.4.1-1ubuntu2.
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/usr/lib/python2.7/dist-packages/google/protobuf/
/usr/lib/python2.7/dist-packages/google/protobuf/__init__.py
/usr/lib/python2.7/dist-packages/google/protobuf/compiler/
/usr/lib/python2.7/dist-packages/google/protobuf/compiler/plugin_pb2.py
/usr/lib/python2.7/dist-packages/google/protobuf/descriptor.py
/usr/lib/python2.7/dist-packages/google/protobuf/descriptor_pb2.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/
/usr/lib/python2.7/dist-packages/google/protobuf/internal/__init__.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/_net_proto2___python.so
/usr/lib/python2.7/dist-packages/google/protobuf/internal/api_implementation.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/containers.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/cpp_message.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/decoder.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/encoder.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/message_listener.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/python_message.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/type_checkers.py
/usr/lib/python2.7/dist-packages/google/protobuf/internal/wire_format.py
/usr/lib/python2.7/dist-packages/google/protobuf/message.py
/usr/lib/python2.7/dist-packages/google/protobuf/reflection.py
/usr/lib/python2.7/dist-packages/google/protobuf/service.py
/usr/lib/python2.7/dist-packages/google/protobuf/service_reflection.py
/usr/lib/python2.7/dist-packages/google/protobuf/text_format.py