fix base_estimator to estimator. #353

	# 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: Python pytest

	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]
	schedule:
	# since * is a special character in YAML you have to quote this string
	- cron: '0 22 1/7 * *'

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, windows-latest]
	python-version: ["3.7", "3.8", "3.9", "3.10"] # feature-tools only update to 0.23.3 on python3.6 and the latest is 1.2.0(2021/11)
	tf-version: ["\">=2.0.0,<=2.10\"", "disable"] # empty string indicates the latest version

	# exclude:
	# - os: windows-latest
	# python-version: "==2.10"
	# - os: windows-latest
	# tf-version: ""

	steps:
	- uses: actions/checkout@v2

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

	# pip install "sktime<=0.17.2"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install git+https://github.com/DataCanvasIO/Hypernets
	pip install -r requirements.txt
	pip install pytest-cov python-coveralls codacy-coverage

	- name: Install tensorflow dependencies
	if: ${{ matrix.tf-version != 'disable' }}
	run: \|
	pip install tensorflow${{ matrix.tf-version }}

	- name: pip list
	run: \|
	pip list
	pip check

	- name: Test with pytest
	run: \|
	pytest --cov=hyperts --durations=30

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