Traceback (most recent call last):


 "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main

"__main__", mod_spec)


 "/usr/lib/python3.5/runpy.py", line 85, in _run_code

exec(code, run_globals)


 "/home/shivani/pycon/helloworld/helloworld/__main__.py", line 1, in <module>
from helloworld.app import main


 "/home/shivani/pycon/helloworld/helloworld/app.py", line 2, in <module>

import toga
ImportError: No module named 'toga'
Traceback (most recent call last):


 "train.py", line 148, in <module>

MODEL = importlib.import_module(FLAGS.model) # import network module


 "/home/aistudio/external-libraries/votenet/lib/python3.6/importlib/__init__.py", line 126, in import_module

return _bootstrap._gcd_import(name[level:], package, level)


 "<frozen importlib._bootstrap>", line 978, in _gcd_import


 "<frozen importlib._bootstrap>", line 961, in _find_and_load


 "<frozen importlib._bootstrap>", line 950, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 655, in _load_unlocked


 "<frozen importlib._bootstrap_external>", line 678, in exec_module


 "<frozen importlib._bootstrap>", line 205, in _call_with_frames_removed


 "/home/aistudio/work/votenet/models/votenet.py", line 19, in <module>

from backbone_module import Pointnet2Backbone


 "/home/aistudio/work/votenet/models/backbone_module.py", line 19, in <module>

from pointnet2_modules import PointnetSAModuleVotes, PointnetFPModule


 "/home/aistudio/work/votenet/pointnet2/pointnet2_modules.py", line 21, in <module>

import pointnet2_utils


 "/home/aistudio/work/votenet/pointnet2/pointnet2_utils.py", line 24, in <module>

import pointnet2._ext as _ext
ImportError: /home/aistudio/external-libraries/votenet/lib/python3.6/site-packages/pointnet2-0.0.0-py3.6-linux-x86_64.egg/pointnet2/_ext.cpython-36m-x86_64-linux-gnu.so: undefined symbol: __cudaPopCallConfiguration
