add genericity to reply_err, make values stringifyable #952

	# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: CI

	on:
	push:
	branches: ["**"]
	pull_request:
	branches: ["**"]
	schedule:
	- cron: "0 6 * * 1-5"
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	python-version:
	- "3.7"
	- "3.8"
	- "3.9"
	- "3.10"

	steps:
	- uses: actions/checkout@v2
	with:
	submodules: true

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install Rust
	uses: actions-rs/toolchain@v1
	with:
	override: true
	components: rustfmt, clippy

	- name: Build zenoh-python
	uses: messense/maturin-action@v1

	- name: Clippy
	uses: actions-rs/cargo@v1
	with:
	command: clippy

	- name: Run rustfmt
	uses: actions-rs/cargo@v1
	with:
	command: fmt
	args: -- --check

	- name: Install zenoh-python
	run: pip3 install ./target/wheels/*.whl

	- name: Run examples check
	run: python3 tests/examples_check.py

	- name: Install pytest
	run: pip3 install pytest pytest-xdist

	- name: Run pytest
	run: pytest -n auto --import-mode=append

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