fix version check (#4305)
fix version check (#4305)


switchinnovations/pxt,Microsoft/pxt,switch-education/pxt,Microsoft/pxt,switchinnovations/pxt,switch-education/pxt,switch-education/pxt,Microsoft/pxt,playi/pxt,Microsoft/pxt,switch-education/pxt,playi/pxt,switchinnovations/pxt,playi/pxt,switchinnovations/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt