Unable to install it in ubuntu 18.10 about leon HOT 12 CLOSED

sudo python3 -m pip uninstall pip && sudo apt install python3-pip --reinstall
sudo python -m pip uninstall pip && sudo apt install python3-pip --reinstall

cd leon (wherever you cloned it)
pipenv --python 3.6.7
npm install
npm run check
npm run build
npm start

npm ERR! path /home/emperoreby/sideprojects/package.json
npm ERR! code ENOENT
npm ERR! errno -2
npm ERR! syscall open
npm ERR! enoent ENOENT: no such file or directory, open '/home/emperoreby/sideprojects/package.json'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent 

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/emperoreby/.npm/_logs/2019-02-22T13_34_33_959Z-debug.log

> [email protected] check /home/emperoreby/sideprojects/leon
> babel-node scripts/run-check.js

⠋
---

.: CHECKING :.

➡ /bin/sh -c node --version
✔ v11.10.0

➡ /bin/sh -c npm --version
✔ 6.8.0

➡ /bin/sh -c pipenv --version
✔ pipenv, version 2018.11.26

✖ Error: Command failed: /bin/sh -c pipenv run python --version
Traceback (most recent call last):
  File "/usr/local/bin/pipenv", line 11, in <module>
    sys.exit(cli())
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/click/decorators.py", line 64, in new_func
    return ctx.invoke(f, obj, *args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/cli/command.py", line 408, in run
    command=command, args=args, three=state.three, python=state.python, pypi_mirror=state.pypi_mirror
  File "/usr/local/lib/python2.7/dist-packages/pipenv/core.py", line 2310, in do_run
    three=three, python=python, validate=False, pypi_mirror=pypi_mirror,
  File "/usr/local/lib/python2.7/dist-packages/pipenv/core.py", line 574, in ensure_project
    pypi_mirror=pypi_mirror,
  File "/usr/local/lib/python2.7/dist-packages/pipenv/core.py", line 494, in ensure_virtualenv
    python = ensure_python(three=three, python=python)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/core.py", line 397, in ensure_python
    path_to_python = find_a_system_python(python)
  File "/usr/local/lib/python2.7/dist-packages/pipenv/core.py", line 350, in find_a_system_python
    from .vendor.pythonfinder import Finder
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/pythonfinder/__init__.py", line 14, in <module>
    from .pythonfinder import Finder
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/pythonfinder/pythonfinder.py", line 6, in <module>
    from .models import SystemPath
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/pythonfinder/models/__init__.py", line 11, in <module>
    from ..utils import KNOWN_EXTS, unnest
  File "/usr/local/lib/python2.7/dist-packages/pipenv/vendor/pythonfinder/utils.py", line 27, in <module>
    from backports.functools_lru_cache import lru_cache
ImportError: No module named functools_lru_cache