XLS Report error in odoo

Question

I want to generate my own excel report using Excel report engine in odoo 8. I am trying code which is place in this link How can i generate xls report in odoo

but i am getting below error:

    coercing to Unicode: need string or buffer, type found <type 'exceptions.TypeError'>,coercing to Unicode: need string or buffer, type found,<traceback object at 0x07366CD8> 

Someone please tell me about this error. I'll be very thankful to you...!

Answer 1

Ok, Question resolved. type field was not exist in tree view therefore this error occurred, thanks.