* Add ability to use virtual environments in local executor
* Copy environment variables from parent environment
* Fix mypy errors and formatting
* Account for venv on Windows
* Use a virtual environment context object instead of path
* Add utility method to create a virtual environment
* Remove assertion using `_venv_path`
* Add tests for `create_virtual_env`
* Modify test code and add output assertion
* Modify test code and assertion
* Execute activation script before actual command on windows
* Add docs for using a virtual env
* Use code executors in notebook.
* Add custom code executor guide
* Add to gitignore
* Update
* fix links
* link
* typo
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Co-authored-by: Chi Wang <wang.chi@microsoft.com>
* Add isort
* Apply isort on py files
* Fix circular import
* Fix format for notebooks
* Fix format
---------
Co-authored-by: Chi Wang <wang.chi@microsoft.com>
* Implement user defined functions feature for local cli exec, add docs
* add tests, update docs
* fixes
* fix test
* add pandas test dep
* install test
* provide template as func
* formatting
* undo change
* address comments
* add test deps
* formatting
* test only in 1 env
* formatting
* remove test for local only
---------
Co-authored-by: Eric Zhu <ekzhu@users.noreply.github.com>
