feat(model/overlap_handler.py): fix overlap handler None bug #166

	name: lint-check

	on:
	push:
	pull_request:
	branches:
	- "main"
	- "develop"

	jobs:
	# lint check can be auto-executed by the workflow
	lint-check:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: lint-flake8
	run: \|
	pip install flake8==v3.8.4
	FLAKE_DISABLE_LIST="F403,F405,W504,W503,E203"
	flake8 --max-line-length=120 --ignore=$FLAKE_DISABLE_LIST ./internlm/*
	flake8 --max-line-length=120 --ignore=$FLAKE_DISABLE_LIST ./train.py

	- name: lint-isort
	run: \|
	pip install isort==5.12.0
	isort --check --profile=black ./internlm/*
	isort --check --profile=black ./train.py

	- name: lint-black
	run: \|
	pip install black==22.8.0
	BLACK_EXCLUDE_SETTINGS='\.venv/\|\.local/\|\.cache/\|\.git/'
	black --line-length=120 --check --exclude $BLACK_EXCLUDE_SETTINGS ./internlm/*
	black --line-length=120 --check --exclude $BLACK_EXCLUDE_SETTINGS ./train.py

	- name: lint-pylint
	run: \|
	pip install pylint==v2.17.2
	PYLINT_DISABLE_LIST="C0114,C0415,W0212,W0235,W0238,W0621,C0103,R1735,C2801,E0402,C0412,W0719,R1728,W1514,W0718,W0105,W0707,C0209,W0703,W1203"
	pylint --rcfile .pylintrc --disable=$PYLINT_DISABLE_LIST ./internlm/*
	pylint --rcfile .pylintrc --disable=$PYLINT_DISABLE_LIST ./train.py

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