[Bug]: Failed to build faust-cchardet==2.1.19

[thdoan]

crawl4ai version

0.5.0

Expected Behavior

I expect to be able to install this using uv pip install -U crawl4ai in WSL2 (python v3.13.1 venv).

Current Behavior

I got an error and wasn't able to complete the installation.

Is this reproducible?

Yes

Inputs Causing the Bug

Steps to Reproduce

Code snippets

OS

Windows (WSL2 Ubuntu)

Python version

3.13.1

Browser

N/A

Browser version

N/A

Error logs & Screenshots (if applicable)

❯ uv pip install -U crawl4ai
Resolved 79 packages in 12.33s
      Built pyperclip==1.9.0
  × Failed to build `faust-cchardet==2.1.19`
  ├─▶ The build backend returned an error
  ╰─▶ Call to `setuptools.build_meta.build_wheel` failed (exit status: 1)

      [stdout]
      running bdist_wheel
      running build
      running build_py
      creating build/lib.linux-x86_64-cpython-313/cchardet
      copying src/cchardet/version.py -> build/lib.linux-x86_64-cpython-313/cchardet
      copying src/cchardet/__init__.py -> build/lib.linux-x86_64-cpython-313/cchardet
      running build_ext
      building 'cchardet._cchardet' extension
      creating build/temp.linux-x86_64-cpython-313/src/cchardet
      creating build/temp.linux-x86_64-cpython-313/src/ext/uchardet/src
      creating build/temp.linux-x86_64-cpython-313/src/ext/uchardet/src/LangModels
      c++ -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -Isrc/ext/uchardet/src
      -I/mnt/d/cache/uv/builds-v0/.tmphcuqfg/include -I/home/thdoan/.local/share/uv/python/cpython-3.13.1-linux-x86_64-gnu/include/python3.13 -c
      src/cchardet/_cchardet.cpp -o build/temp.linux-x86_64-cpython-313/src/cchardet/_cchardet.o

      [stderr]
      /mnt/d/cache/uv/builds-v0/.tmphcuqfg/lib/python3.13/site-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are
      deprecated.
      !!

              ********************************************************************************
              Please consider removing the following classifiers in favor of a SPDX license expression:

              License :: OSI Approved :: Mozilla Public License 1.1 (MPL 1.1)
              License :: OSI Approved :: GNU General Public License (GPL)
              License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)

              See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
              ********************************************************************************

      !!
        self._finalize_license_expression()
      error: command 'c++' failed: No such file or directory

      hint: This usually indicates a problem with the package or the build environment.
  help: `faust-cchardet` (v2.1.19) was included because `crawl4ai` (v0.5.0.post8) depends on `faust-cchardet`

[thdoan]

Filed a bug here: faust-streaming/cChardet#34