Make `LitAPI.predict` optional and validate API implementation #884

	name: Run parity tests

	on:
	push:
	branches: [main, "release/*"]
	pull_request:
	branches: [main, "release/*"]

	defaults:
	run:
	shell: bash

	jobs:
	pytester:
	runs-on: ubuntu-latest

	timeout-minutes: 30

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3.11"

	- name: Install LitServe
	run: \|
	pip --version
	pip install . torchvision jsonargparse uvloop tenacity -U -q -r _requirements/test.txt -U -q
	pip list

	- name: Parity test
	run: export PYTHONPATH=$PWD && python tests/parity_fastapi/main.py

	- name: Streaming speed test
	run: bash tests/perf_test/stream/run_test.sh

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