[libprotobuf FATAL google/protobuf/stubs/common.cc:61] about dex-net HOT 3 CLOSED

~/catkin_ws/src/dex-net$ sudo python2 setup.py test
running test
running egg_info
writing requirements to src/dex_net.egg-info/requires.txt
writing src/dex_net.egg-info/PKG-INFO
writing top-level names to src/dex_net.egg-info/top_level.txt
writing dependency_links to src/dex_net.egg-info/dependency_links.txt
reading manifest file 'src/dex_net.egg-info/SOURCES.txt'
writing manifest file 'src/dex_net.egg-info/SOURCES.txt'
running build_ext
WARNING:root:Failed to import geometry msgs in rigid_transformations.py.
WARNING:root:Failed to import ros dependencies in rigid_transforms.py
WARNING:root:autolab_core not installed as catkin package, RigidTransform ros methods will be unavailable
Traceback (most recent call last):
  File "setup.py", line 42, in <module>
    test_suite='test'
  File "/home/mihai/.local/lib/python2.7/site-packages/setuptools/__init__.py", line 145, in setup
    return distutils.core.setup(**attrs)
  File "/usr/lib/python2.7/distutils/core.py", line 151, in setup
    dist.run_commands()
  File "/usr/lib/python2.7/distutils/dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "/usr/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/home/mihai/.local/lib/python2.7/site-packages/setuptools/command/test.py", line 229, in run
    self.run_tests()
  File "/home/mihai/.local/lib/python2.7/site-packages/setuptools/command/test.py", line 251, in run_tests
    exit=False,
  File "/usr/lib/python2.7/unittest/main.py", line 94, in __init__
    self.parseArgs(argv)
  File "/usr/lib/python2.7/unittest/main.py", line 149, in parseArgs
    self.createTests()
  File "/usr/lib/python2.7/unittest/main.py", line 158, in createTests
    self.module)
  File "/usr/lib/python2.7/unittest/loader.py", line 130, in loadTestsFromNames
    suites = [self.loadTestsFromName(name, module) for name in names]
  File "/usr/lib/python2.7/unittest/loader.py", line 103, in loadTestsFromName
    return self.loadTestsFromModule(obj)
  File "/home/mihai/.local/lib/python2.7/site-packages/setuptools/command/test.py", line 55, in loadTestsFromModule
    tests.append(self.loadTestsFromName(submodule))
  File "/usr/lib/python2.7/unittest/loader.py", line 100, in loadTestsFromName
    parent, obj = obj, getattr(obj, part)
AttributeError: 'module' object has no attribute 'database_test'

python2
>>> import dexnet