Fix an issue in the NetworkX codebase

[MridulS]

[Everyone can do this task. There is no need to claim/assign this issue]

Once the applicant has the local development environment setup they can work on open issues in the networkx repository.

If the applicant is interested in working on specific issues they can comment on them (Good First issues). Applicants can also pick any other open issue if they like or even open a new issue/discussion if there is something in our documentation or codebase that doesn't make sense :)

Once you have created a pull request in the networkx repository please add a link to that pull request in your folder created in the first task. Create a new file nx_pull_requests.txt in your folder in this repository and add links to the pull requests in the networkx repository.