mv-python

I read properly documentation part of PR and now makes sense now. Maybe a small improvement, can we put an example for each sequence and mapping to the documentation? Maybe...

I like also the table in wikipedia documenting fixed width types: https://en.wikipedia.org/wiki/C_data_types#Fixed-width_integer_types. Not sure whether this is what we want or not.

Also what I found undocumented is that in pure python prefixing type with `s` is creating explicitly signed type: `cython.sint` `signed int` `cython.sshort` `signed short` ... Not sure whether we...

> I don't think we need to teach people about c types I agree to some extent. I feel that some very specific types like fastest, pointers etc. should not...

> I agree and created https://github.com/cython/cython/issues/4981 for it. @scoder what should we do with this PR then? I propose then to remove fixed-width types and merge only numeric types. Will...

OK have removed fixed width types so now the PR should be ready for review.

I did some investigation - I profiled memory using muppy: ```python from pylint.lint import Run from pylint.lint import pylinter from pympler import muppy from pympler import summary Run(["pylint/checkers/variables.py"], exit=False) pylinter.MANAGER.clear_cache()...

> It's hard to know what is inside the dict/list without being able to explore the data. I am able to get to that information. If you run following script:...

Ok. I am sorry.

This bug is more about kombu rather than Celery. Kombu has two semantics when establising connection: 1. directly failing: ```python >>> import kombu >>> con = kombu.Connection('amqp://') >>> con.connect() #...