refactor data_requirement to make it not a global variable

[github-actions]

this is not a good way to do things. This is some global variable to which
anyone can write and there is no good way to keep track of the changes

Line: 74

deepmd-kit//deepmd/common.py

Lines 71 to 81 in 76371ce

	)
	# TODO: refactor data_requirement to make it not a global variable
	# this is not a good way to do things. This is some global variable to which
	# anyone can write and there is no good way to keep track of the changes
	data_requirement = {}
	def add_data_requirement(
	key: str,

[github-actions]

Closed in commit 02e4ce9