AttributeError: 'str' object has no attribute 'contains'

I’ve found the issue. You are using the correct answer field in your mouse component.

However, it is pointing to a column in your spreadsheet containing the text of your text components, not the text object names. It should look more like this:

audio op1 op2 op3 op4 correcta
audios/1.Y hasta pozo.wav pozo piso peso pasa op1_text
audios/2.Digo piso.wav pozo piso puso pasa op2_text
audios/1.Y hasta pozo.wav pozo peso piso pasa op1_text
audios/3.Digo peso.wav pozo peso puso pasa op2_text
audios/1.Y hasta pozo.wav pozo paso peso pisa op1_text
audios/4.Dije paso.wav pozo paso puso pisa op2_text
audios/3.Digo peso.wav peso piso paso poza op1_text
audios/8.Digo pupa.wav peso piso puso poza op2_text
audios/9.Dije pepa.wav pasa pesa poza piso op1_text
audios/6.Digo pesa.wav pasa pesa blusa piso op2_text
audios/4.Dije pasa.wav pasa pisa pesa pozo op1_text
audios/7.Dije pisa.wav pasa pisa poza peso op2_text
audios/8.Digo pupa.wav pupa pepa papa Pipo op1_text
audios/9.Dije pepa.wav pupa pepa popa papo op2_text
audios/8.Digo pupa.wav pupa papa Pepa Pipo op1_text
audios/10.Dije papa.wav pupa papa popa Pepo op2_text
audios/11.Y hasta turre.wav turre torre tarro tira op1_text
audios/12.Dije torre.wav turre torre Tere toro op2_text
audios/13.Digo fula.wav fula fila Fela fole op1_text
audios/14.Dije fila.wav fula fila falo Felo op2_text

I note that you also have at least one sound file issue

ValueError: setSound: could not find a sound file named audios/4.Dije pasa.wav

The file in the folder is called “4.Dije paso.wav”