Changelog:
- Remove the extra parentheses around the venv prompt.
- Fix a bug of installation fails when extra index url is given.
- Fix regression where lockfiles would only include the hashes for releases for the platform generating the lockfile.
- Fix the index parsing to reject illegal requirements.txt.
- Fix a bug of deleting a virtualenv that is not managed by Pipenv.
- Fix a bug that source is not added to Pipfile when index url is given with pipenv install.
Signed-off-by: Algent Albrahimi <algent@protonmail.com>