Traceback (most recent call last):
File "/opt/odoo/odoo/odoo/addons/base/models/ir_http.py", line 234, in _dispatch
result = request.dispatch()
File "/opt/odoo/odoo/odoo/http.py", line 809, in dispatch
r = self._call_function(**self.params)
File "/opt/odoo/odoo/odoo/http.py", line 350, in _call_function
return checked_call(self.db, *args, **kwargs)
File "/opt/odoo/odoo/odoo/service/model.py", line 94, in wrapper
return f(dbname, *args, **kwargs)
File "/opt/odoo/odoo/odoo/http.py", line 339, in checked_call
result = self.endpoint(*a, **kw)
File "/opt/odoo/odoo/odoo/http.py", line 915, in __call__
return self.method(*args, **kw)
File "/opt/odoo/odoo/odoo/http.py", line 515, in response_wrap
response = f(*args, **kw)
File "/opt/odoo/custom/trigoodi_website/controllers/creations.py", line 40, in creation_home
filter = self.extract_filter_values(request.params)
File "/opt/odoo/custom/trigoodi_website/controllers/main.py", line 584, in extract_filter_values
res = json.loads(values.get('filter', '{}'))
File "/usr/lib/python3.6/json/__init__.py", line 354, in loads
return _default_decoder.decode(s)
File "/usr/lib/python3.6/json/decoder.py", line 339, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/lib/python3.6/json/decoder.py", line 357, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)