Update tools.py

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Coverage Report

File	Stmts	Miss	Cover	Missing
mlops
Experiment.py	142	20	86%	38–43, 69, 71, 76, 190, 202–204, 213–214, 248, 250–253, 257–258, 265–266
ProjectFile.py	22	1	95%	38
cli.py	16	16	0%	1–46
mlops/data/tools
tools.py	35	31	11%	14–67
mlops/data/transforms
LoadImageXNATd.py	38	27	29%	21–25, 47–90
TOTAL	278	95	66%

Tests	Skipped	Failures	Errors	Time
15	2 :zzz:	0 :x:	0 :fire:	1m 38s :stopwatch: