Resource Warning due to the PyVCF3 library

[Rohan-cod]

Prerequisites

Please answer the following questions for yourself before submitting an issue.

• I am running the latest version
• I checked the documentation and found no answer
• I checked to make sure that this issue has not already been filed

Context

Please provide any relevant information about your setup. This is important in case the issue is not reproducible except for under certain conditions.

• Package Version: Latest Version
• Operating System: Macintosh

Expected Behavior

No Resource warnings while running the tests.

Current Behavior

Resource warning due to the unclosed 'vcf file' in PyVCF3.

Steps to Reproduce

Please provide detailed steps for reproducing the issue.

1. Run the command python -m unittest, and you will receive the following warnings:

[Rohan-cod]

I have opened an issue in PyVCF in this regard.