Error in installing dependencies

[karpagam5789]

Hello,

I've been encountering an issue while trying to install dependencies for the Digital Inverter Colab notebook that uses the PDK Sky130A. Below is the error message I'm seeing:

Empty environment created at prefix: /content/conda-env

Pinned packages:

  - python==3.7*

error    libmamba Could not lock non-existing path '/root/.mamba/pkgs'

Transaction

  Prefix: /content/conda-env

  Updating specs:

   - openlane
   - open_pdks.sky130a

  ...

Transaction starting
info     libmamba ****************** Backtrace Start ******************
debug    libmamba Loading configuration
trace    libmamba Compute configurable 'create_base'
trace    libmamba Compute configurable 'no_env'
trace    libmamba Compute configurable 'no_rc'
trace    libmamba Compute configurable 'rc_files'
trace    libmamba Compute configurable 'root_prefix'
critical libmamba Could not use default root_prefix "/root/.local/share/mamba": Directory exists, is not empty and not a conda prefix.
info     libmamba ****************** Backtrace End ********************
error    libmamba Error opening for reading "/root/.local/share/mamba/pkgs/gcc_impl_linux-64-11.2.0-h1234567_1/info/index.json": No such file or directory
gcc_impl_linux-64-11.2.0-h1234567_1.tar.bz2 extraction failed
error    libmamba Error when extracting package: [json.exception.parse_error.101] parse error at line 1, column 1: attempting to parse an empty input; check that your input string or stream contains the expected JSON
info     libmamba ****************** Backtrace Start ******************
debug    libmamba Loading configuration
trace    libmamba Compute configurable 'create_base'
trace    libmamba Compute configurable 'no_env'
trace    libmamba Compute configurable 'no_rc'
trace    libmamba Compute configurable 'rc_files'
trace    libmamba Compute configurable 'root_prefix'
critical libmamba Could not use default root_prefix "/root/.local/share/mamba": Directory exists, is not empty and not a conda prefix.
info     libmamba ****************** Backtrace End ********************
error    libmamba Error opening for reading "/root/.local/share/mamba/pkgs/openlane-2023.11.03_0_gf4f8dad8-20231104_052339_py37/info/index.json": No such file or directory
openlane-2023.11.03_0_gf4f8dad8-20231104_052339_py37.tar.bz2 extraction failed
error    libmamba Error when extracting package: [json.exception.parse_error.101] parse error at line 1, column 1: attempting to parse an empty input; check that your input string or stream contains the expected JSON
info     libmamba ****************** Backtrace Start ******************
debug    libmamba Loading configuration
trace    libmamba Compute configurable 'create_base'
trace    libmamba Compute configurable 'no_env'
trace    libmamba Compute configurable 'no_rc'
trace    libmamba Compute configurable 'rc_files'
trace    libmamba Compute configurable 'root_prefix'
critical libmamba Could not use default root_prefix "/root/.local/share/mamba": Directory exists, is not empty and not a conda prefix.
info     libmamba ****************** Backtrace End ********************
error    libmamba Error opening for reading "/root/.local/share/mamba/pkgs/python-3.7.16-h7a1cb2a_0/info/index.json": No such file or directory
python-3.7.16-h7a1cb2a_0.tar.bz2 extraction failed
error    libmamba Error when extracting package: [json.exception.parse_error.101] parse error at line 1, column 1: attempting to parse an empty input; check that your input string or stream contains the expected JSON
info     libmamba ****************** Backtrace Start ******************
debug    libmamba Loading configuration

I was trying to install the dependencies by simply running the provided cell block in the notebook. This problem has been persisting for a couple of days now. Here are some details:

Environment Prefix: /content/conda-env
Python Version: 3.7*
Dependencies: openlane, open_pdks.sky130a
It appears that there's an issue with libmamba not being able to lock a non-existing path and subsequent extraction errors for several packages.

A few days ago, I used the same notebook without any problems. However, now I'm encountering these issues.

I've tried several approaches to resolve this, including:

Re-running the cell block
Checking if the directories mentioned exist and are writable
Ensuring there are no conflicts with other conda environments
Nothing seems to work. Any guidance on how to resolve this would be greatly appreciated.

Thanks in advance for your help!