Check if nteract was launched from a terminal
Check if nteract was launched from a terminal

If nteract was launched from a terminal there is no need to use
shellEnv.

nteract/nteract,nteract/composition,jdetle/nteract,nteract/nteract,rgbkrk/nteract,nteract/composition,captainsafia/nteract,rgbkrk/nteract,rgbkrk/nteract,rgbkrk/nteract,captainsafia/nteract,nteract/nteract,captainsafia/nteract,jdfreder/nteract,jdetle/nteract,jdetle/nteract,jdetle/nteract,rgbkrk/nteract,jdfreder/nteract,captainsafia/nteract,nteract/composition,jdfreder/nteract,nteract/nteract,jdfreder/nteract,nteract/nteract