Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/Users/tos/Documents/chainer/chainer/serializers/npz.py", line 67, in save_npz

s.save(obj)


 "/Users/tos/Documents/chainer/chainer/serializer.py", line 66, in save

obj.serialize(self)


 "/Users/tos/Documents/chainer/chainer/optimizer.py", line 445, in serialize

self.t = serializer('t', self.t)
AttributeError: 'Adam' object has no attribute 't'


Traceback (most recent call last):


 "c:\python38\lib\site.py", line 169, in addpackage

exec(line)


 "<string>", line 1, in <module>


 "<frozen importlib._bootstrap>", line 553, in module_from_spec

AttributeError: 'NoneType' object has no attribute 'loader
