Little code optimization.

[coderj001]

Description

Type of change

Converted hardcoded path '../config.json' to os path. As their no longer need to worry if that directory path had a trailing slash or not. os.path.join will add it if it needs to.

Checklist:

• My code follows the style guidelines of this project

• I have performed a self-review of my own code

• My changes generate no new warnings

• I have added tests that prove my fix is effective or that my feature works

• I have added all the three reviewers: @vinitshahdeo, @Kashish121 & @ishika1727

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[coderj001]

@vinitshahdeo, @Kashish121 & @ishika1727