tgrambot pip3 installation failed

[delvdoescoding]

I tried to install tgrambot, but it keeps raising an error.

/storage/emulated/0 $ pip3 install tgrambot
Collecting tgrambot
  Downloading TGramBot-0.0.1b1.tar.gz (36 kB)
  Preparing metadata (setup.py) ... error
  error: subprocess-exited-with-error

  × python setup.py egg_info did not run successfully.
  │ exit code: 1
  ╰─> [10 lines of output]
      Traceback (most recent call last):
        File "<string>", line 2, in <module>
        File "<pip-setuptools-caller>", line 34, in <module>        File "/data/data/ru.iiec.pydroid3/cache/pip-install-alvimup5/tgrambot_50d7f24ab9b644ba8ae2cbf4df223581/setup.py", line 6, in <module>
          from compiler import build_types, build_methods
        File "/data/data/ru.iiec.pydroid3/cache/pip-install-alvimup5/tgrambot_50d7f24ab9b644ba8ae2cbf4df223581/compiler/__init__.py", line 3, in <module>
          from .build_api import build_api
        File "/data/data/ru.iiec.pydroid3/cache/pip-install-alvimup5/tgrambot_50d7f24ab9b644ba8ae2cbf4df223581/compiler/build_api.py", line 10, in <module>
          from bs4 import BeautifulSoup
      ModuleNotFoundError: No module named 'bs4'
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.
/storage/emulated/0 $