Update rules_python to 0.28.0 (#250) #218

	# Copyright 2020 Google LLC
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# https://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#

	# Lint C++ files

	name: cpplint
	on:
	push:
	paths:
	- '**.cc'
	- '**.h'
	- '**.cpp'
	pull_request:
	paths:
	- '**.cc'
	- '**.h'
	- '**.cpp'
	jobs:
	cpplint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v1
	- uses: actions/setup-python@v1
	- run: pip install cpplint
	- run: cpplint --recursive .

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