After installation and run a example file, No module named 'easypbr' error occers

[lfwin]

Hi, the installation seems okey,
` Running setup.py develop for easypbr
Running command /usr/bin/python3 -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/home/win/software/easy_pbr/setup.py'"'"'; file='"'"'/home/win/software/easy_pbr/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(file);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, file, '"'"'exec'"'"'))' develop --no-deps --user --prefix=
running develop
running egg_info
writing easypbr.egg-info/PKG-INFO
writing dependency_links to easypbr.egg-info/dependency_links.txt
writing top-level names to easypbr.egg-info/top_level.txt
reading manifest file 'easypbr.egg-info/SOURCES.txt'
writing manifest file 'easypbr.egg-info/SOURCES.txt'
running build_ext
-- Creating target: igl::core (igl)
CMake Warning at CMakeLists.txt:74 (find_package):
By not providing "FindTorch.cmake" in CMAKE_MODULE_PATH this project has
asked CMake to find a package configuration file provided by "Torch", but
CMake did not find one.

  Could not find a package configuration file provided by "Torch" with any of
  the following names:

    TorchConfig.cmake
    torch-config.cmake

  Add the installation prefix of "Torch" to CMAKE_PREFIX_PATH or set
  "Torch_DIR" to a directory containing one of the above files.  If "Torch"
  provides a separate development package or SDK, be sure it has been
  installed.


NOT USING TORCH
USING DIR_WATCHER
-- Configuring done
-- Generating done
-- Build files have been written to: /home/win/software/easy_pbr/build/temp.linux-x86_64-3.8
make[1]: Entering directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
make[2]: Entering directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
make[3]: Entering directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
make[3]: Leaving directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
[ 91%] Built target easypbr_cpp
make[3]: Entering directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
make[3]: Leaving directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
[100%] Built target run_easypbr
make[2]: Leaving directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
make[1]: Leaving directory '/home/win/software/easy_pbr/build/temp.linux-x86_64-3.8'
Creating /root/.local/lib/python3.8/site-packages/easypbr.egg-link (link to .)
Adding easypbr 1.0.0 to easy-install.pth file

Installed /home/win/software/easy_pbr

Successfully installed easypbr
Cleaning up...
Removed build tracker: '/tmp/pip-req-tracker-_elq7tvs'
`

but I test the surfel.py example, then error occers.

Traceback (most recent call last): File "surfel.py", line 7, in <module> from easypbr import * ModuleNotFoundError: No module named 'easypbr'