The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/ashutosh/odoo/odoo/http.py", line 643, in _handle_exception
    return super(JsonRequest, self)._handle_exception(exception)
  File "/home/ashutosh/odoo/odoo/http.py", line 301, in _handle_exception
    raise exception.with_traceback(None) from new_cause
odoo.tools.convert.ParseError: while parsing None:3, somewhere inside