PEP 750: TemplateIter is not pickleable #133216
Description
Bug report
Right now you can't pickle string.templatelib.TemplateIter objects. I missed it during my pickle PR.
Demo:
>>> import pickle
>>> pickle.dumps(iter('abc'))
b'\x80\x05\x95"\x00\x00\x00\x00\x00\x00\x00\x8c\x08builtins\x94\x8c\x04iter\x94\x93\x94\x8c\x03abc\x94\x85\x94R\x94K\x00b.'
>>> pickle.dumps(iter(t'abc'))
Traceback (most recent call last):
File "<python-input-2>", line 1, in <module>
pickle.dumps(iter(t'abc'))
~~~~~~~~~~~~^^^^^^^^^^^^^^
TypeError: cannot pickle 'string.templatelib.TemplateIter' objectI think that it should be fixed. I will send a PR with code and tests soon.
