Updated model.py and created test cases for CRUD operations #12

	name: Formatting python code
	on:
	push:
	paths:
	- '**.py'
	jobs:
	autoyapf:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	with:
	ref: ${{ github.head_ref }}
	- name: autoyapf
	id: autoyapf
	uses: mritunjaysharma394/autoyapf@v2
	with:
	args: --style pep8 --recursive --in-place .
	- name: Check for modified files
	id: git-check
	run: echo ::set-output name=modified::$(if git diff-index --quiet HEAD --; then echo "false"; else echo "true"; fi)
	- name: Push changes
	if: steps.git-check.outputs.modified == 'true'
	run: \|
	git config --global user.name 'github-actions'
	git config --global user.email '[email protected]'
	git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
	git commit -am "Automated autoyapf fixes"
	git push

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