Refactor openfast/openfast_python/openfast_io/turbsim_file.py #3652

Job	Run time
build-drivers-release	4m 54s
build-all-debug-single	3m 11s
build-postlib-release	9m 23s
build-all-debug	4m 45s
build-test-uadriver-debug	2m 11s
rtest-modules-debug	4m 27s
rtest-module-drivers	2m 22s
build-openfast-release	3m 17s
build-fastfarm-release	10m 19s
build-interfaces-release	3m 36s
rtest-OF-5MW_OC3Trpd_DLL_WSt_WavesReg	4m 30s
rtest-OF-5MW_OC3Mnpl_DLL_WTurb_WavesIrr	3m 26s
rtest-OF-5MW_Land_BD_DLL_WTurb	2m 16s
rtest-OF	6m 36s
rtest-OF-5MW_OC4Semi_WSt_WavesWN	1m 30s
rtest-OF-linearization	4m 0s
rtest-OF-5MW_OC4Jckt_DLL_WTurb_WavesIrr_MGrowth	54s
rtest-interfaces	3m 0s
rtest-FF	2m 12s
	1h 16m 49s

Provide feedback