min_product fix

[Harshal96]

Description

min_product was broken - variable name mismatch - fixed it.

Fixes # (issue)

There was a variable name mismatch.
count_negative should have been used instead of count_neg.
Removed an unused variable.
Also fixes one of the lint checks.

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• My code follows the style guidelines of this project i.e. Pep8
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• Any dependent changes have been merged and published in downstream modules
• I have squashed unnecessary commits

[prabhupant]

Thanks for the PR 😄

[Harshal96]

Thanks @prabhupant. I believe there are more PRs.
This is a good repository. Expect more PRs from me. :)

[prabhupant]

@Harshal96 appreciate it :)