I am trying install Rasa X using this command: pip install rasa-x --extra-index-url Simple Index but getting this error.
(venv) chunjie97@Dino:~$ pip install rasa-x --extra-index-url https://pypi.rasa.com/simple
Looking in indexes: https://pypi.org/simple, https://pypi.rasa.com/simple
Collecting rasa-x
Downloading https://pypi.rasa.com/api/package/rasa-x/rasa-x-0.19.2.tar.gz (1.8MB)
████████████████████████████████| 1.8MB 1.2MB/s
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing wheel metadata ... error
ERROR: Complete output from command /home/chunjie97/venv/bin/python3
/home/chunjie97/venv/lib/python3.6/site-packages/pip/_vendor/pep517/_in_process.py
prepare_metadata_for_build_wheel /tmp/tmpt52q0p62:
ERROR: running dist_info
creating /tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-info
writing /tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-info/PKG-INFO
writing dependency_links to /tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-
info/dependency_links.txt
writing requirements to /tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-
info/requires.txt
writing top-level names to /tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-info/top_level.txt
writing manifest file '/tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-info/SOURCES.txt'
reading manifest file '/tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
writing manifest file '/tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.egg-info/SOURCES.txt'
creating '/tmp/pip-install-3b3p957l/rasa-x/pip-wheel-metadata/rasa_x.dist-info'
Traceback (most recent call last):
File "/home/chunjie97/venv/lib/python3.6/site-packages/pip/_vendor/pep517/_in_process.py", line 207, in <module>
main()
File "/home/chunjie97/venv/lib/python3.6/site-packages/pip/_vendor/pep517/_in_process.py", line 197, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "/home/chunjie97/venv/lib/python3.6/site-packages/pip/_vendor/pep517/_in_process.py", line 69, in prepare_metadata_for_build_wheel
return hook(metadata_directory, config_settings)
File "/usr/local/lib/python3.6/dist-packages/setuptools/build_meta.py", line 125, in prepare_metadata_for_build_wheel
_run_setup()
File "/usr/local/lib/python3.6/dist-packages/setuptools/build_meta.py", line 85, in _run_setup
exec(compile(code, __file__, 'exec'), locals())
File "setup.py", line 63, in <module>
url="https://rasa.com",
File "/usr/local/lib/python3.6/dist-packages/setuptools/__init__.py", line 145, in setup
return distutils.core.setup(**attrs)
File "/usr/lib/python3.6/distutils/core.py", line 148, in setup
dist.run_commands()
File "/usr/lib/python3.6/distutils/dist.py", line 955, in run_commands
self.run_command(cmd)
File "/usr/lib/python3.6/distutils/dist.py", line 974, in run_command
cmd_obj.run()
File "/usr/local/lib/python3.6/dist-packages/setuptools/command/dist_info.py", line 36, in run
bdist_wheel.egg2dist(egg_info.egg_info, dist_info_dir)
File "/usr/lib/python3/dist-packages/wheel/bdist_wheel.py", line 443, in egg2dist
shutil.copy(license, os.path.join(self.distinfo_dir, license_filename))
File "/home/chunjie97/venv/lib/python3.6/posixpath.py", line 80, in join
a = os.fspath(a)
TypeError: expected str, bytes or os.PathLike object, not NoneType
----------------------------------------
ERROR: Command "/home/chunjie97/venv/bin/python3 /home/chunjie97/venv/lib/python3.6/site-
packages/pip/_vendor/pep517/_in_process.py prepare_metadata_for_build_wheel
/tmp/tmpt52q0p62" failed with error code 1 in /tmp/pip-install-3b3p957l/rasa-x
