allow M to be a Parameter in the huber function #2

	name: test_backends

	on:
	pull_request:
	push:
	branches:
	- master
	tags:
	- '*'

	jobs:
	test_backends:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/setup-python@v5
	with:
	python-version: 3.8
	- uses: actions/checkout@v4
	- name: Install cvxpy dependencies
	run: \|
	pip install .
	pip install pytest
	- name: Run tests for each non-default backend
	run : \|
	export CVXPY_DEFAULT_CANON_BACKEND="SCIPY"
	python -c "from cvxpy.cvxcore.python.canonInterface import get_default_canon_backend; print(get_default_canon_backend())"
	python -c "from cvxpy.cvxcore.python.canonInterface import get_default_canon_backend; assert get_default_canon_backend() == 'SCIPY'"
	pytest

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