NameError: name 'raw_input' is not defined

[wambua sylvester Makumi]

Dear all,

I am running BoltzTraP_tools scripts using Spyder4 but I get this error. How can I solve this? Thank you in advance

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  File "/home/itel1530/USB/Applications/BoltzTraP_Tools-master/scripts/Script.py", line 5, in <module>

    Analyse=raw_input("File Extension (Trace, Condtens, N-Trace, or  N-Condtens) ? > ")

NameError: name 'raw_input' is not defined

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Sylvester