Add Prod observable support #261

	name: Formatting check
	on:
	- pull_request

	jobs:
	black:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- name: Black Code Formatter
	uses: lgeiger/black-action@master
	with:
	args: "-l 100 pennylane_ionq/ --check"

Provide feedback