Traceback (most recent call last):


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

from backbone_module import Pointnet2Backbone


 "/home/houhao/paper_implementation/votenet/models/backbone_module.py", line 19, in <module>

from pointnet2_modules import PointnetSAModuleVotes, PointnetFPModule


 "/home/houhao/paper_implementation/votenet/pointnet2/pointnet2_modules.py", line 21, in <module>

import pointnet2_utils


 "/home/houhao/paper_implementation/votenet/pointnet2/pointnet2_utils.py", line 30, in <module>

"Could not import _ext module.\n"
ImportError: Could not import _ext module.

Traceback (most recent call last):


 "//anaconda3/bin/streamlit", line 11, in <module>

load_entry_point('streamlit', 'console_scripts', 'streamlit')()


 "//anaconda3/lib/python3.7/site-packages/pkg_resources/__init__.py", line 489, in load_entry_point

return get_distribution(dist).load_entry_point(group, name)


 "//anaconda3/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2843, in load_entry_point

return ep.load()


 "//anaconda3/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2434, in load

return self.resolve()


 "//anaconda3/lib/python3.7/site-packages/pkg_resources/__init__.py", line 2440, in resolve

module = __import__(self.module_name, fromlist=['__name__'], level=0)


 "/Users/robincole/Documents/GitHub/streamlit/lib/streamlit/__init__.py", line 96, in <module>

from streamlit.DeltaGenerator import DeltaGenerator as _DeltaGenerator


 "/Users/robincole/Documents/GitHub/streamlit/lib/streamlit/DeltaGenerator.py", line 35, in <module>

from streamlit.proto import Balloons_pb2
ImportError: cannot import name 'Balloons_pb2' from 'streamlit.proto' (/Users/robincole/Documents/GitHub/streamlit/lib/streamlit/proto/__init__.py)
