On 2 lines, there is an indentation with two tabs or somekind of, when others lines have spaces (+ maybe one tab ?)
The message is :
Error: Inconsistent indentation detected!
1) Your indentation is outright incorrect (easy to fix) OR
2) Your identation mixes tabs and spaces
lines concerned :
1103 ==> indentation before RigNameString.set(output_dictionary['RigName'])
1137 ==> indentation before CabinetNameString.set(output_dictionary['CabinetName'])