Use quoted variabled for path with spaces

[Hritik14]

If $PWD contains spaces, the command breaks without quotes.

Fixes #0000

Tasks

• Reviewed contribution guidelines
• PR is descriptively titled 📑 and links the original issue above 🔗
• Tests pass -- look for a green checkbox ✔️ a few minutes after opening your PR
  Run tests locally to check for errors.
• Commits are in uniquely-named feature branch and has no merge conflicts 📁
• Updated documentation pages (if applicable)
• Updated CHANGELOG.rst (if applicable)

[AyanSinhaMahapatra]

Thanks @Hritik14