Merge pull request #14 from bitcraze/toverumar/fix_deprecation_warning #160

Job	Run time
read_targets_from_file / read_targets_from_file	4s
build (cf2)	1m 49s
build (bolt)	1m 52s
build (tag)	2m 3s
build (flapper)	1m 53s
build (cf21bl)	1m 50s
	9m 31s

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