Error running pyaldata conversion from nwb

@martinesparza 
I got an error running to-pyal in session "M080_2025_09_10_10_30".

In line 800 of pyaldata.py: 
<img width="553" height="171" alt="Image" src="https://github.com/user-attachments/assets/6ab71b17-edf9-489b-87f9-ecad01de2b5c" />


<img width="1164" height="195" alt="Image" src="https://github.com/user-attachments/assets/83822181-fa00-4fcc-8663-395933abb7f3" />
