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DeepChem COLAB installation fails

See original GitHub issue

📚 Installation

Environment

OS: Ubuntu 18.04.5 LTS
Package manager (PyPI or Conda): Conda
Python version: 3.7
DeepChem version: As defined in https://raw.githubusercontent.com/deepchem/deepchem/master/scripts/colab_install.py
TensorFlow version: NA
PyTorch version (optional):
CUDA/cuDNN version (optional):
Any other relevant information: Google COLAB

Checklist

[ x ] I followed the installation guide.
[ x ] I used Google Colab.
[ ] I do have multiple CUDA versions on my machine.

Additional context

Ran the following tutorial in COLAB https://github.com/deepchem/deepchem/blob/master/examples/tutorials/06_Introduction_to_Graph_Convolutions.ipynb

!curl -Lo conda_installer.py https://raw.githubusercontent.com/deepchem/deepchem/master/scripts/colab_install.py
import conda_installer
conda_installer.install()
!/root/miniconda/bin/conda info -e

It gave me the following error. A few weeks ago, the code worked fine.

% Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  3501  100  3501    0     0  43762      0 --:--:-- --:--:-- --:--:-- 43762
python version: 3.7.11
remove current miniconda
fetching installer from https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh
done
installing miniconda to /root/miniconda
done
installing rdkit, openmm, pdbfixer
added conda-forge to channels
added omnia to channels
---------------------------------------------------------------------------
CalledProcessError                        Traceback (most recent call last)
<ipython-input-5-0b37ae099887> in <module>()
      2 get_ipython().system('curl -Lo conda_installer.py https://raw.githubusercontent.com/deepchem/deepchem/master/scripts/colab_install.py')
      3 import conda_installer
----> 4 conda_installer.install()
      5 get_ipython().system('/root/miniconda/bin/conda info -e')

1 frames
/content/conda_installer.py in install(chunk_size, file_name, url_base, conda_path, add_python_path, additional_channels, additional_packages)
    121       "--yes",
    122       "python=={}".format(python_version),
--> 123       *packages,
    124   ])
    125   logger.info("done")

/usr/lib/python3.7/subprocess.py in check_call(*popenargs, **kwargs)
    361         if cmd is None:
    362             cmd = popenargs[0]
--> 363         raise CalledProcessError(retcode, cmd)
    364     return 0
    365 

CalledProcessError: Command '['/root/miniconda/bin/conda', 'install', '--yes', 'python==3.7.11', 'rdkit=2020.09.02', 'pdbfixer', 'openmm']' returned non-zero exit status 1.