feat(python): eval injection (CWE-95) #1260

Job	Run time
build (javascript/express)	2m 14s
build (javascript/hapi)	14s
build (javascript/lang)	3m 22s
build (javascript/node)	17s
build (javascript/react)	29s
build (javascript/third_parties)	1m 55s
build (ruby/lang)	4m 10s
build (ruby/rails)	1m 34s
build (ruby/third_parties)	3m 22s
build (java/lang)	2m 59s
build (java/spring)	15s
build (java/android)	17s
build (java/third_parties)	33s
build (php/lang)	5m 0s
build (php/symfony)	57s
build (php/third_parties)	1m 11s
build (python/lang)	33s
build (go/lang)	58s
build (go/gosec)	2m 6s
build (go/gorilla)	13s
build (go/third_parties)	40s
	33m 19s

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