* Removes future from python-exp v3 sample
* Removes future from python-exp v2 sample
* Deletes future from remaining python-exp files
* Removes six from python-exp templates
* Removes six from python-exp samples
* Removes mock from python-exp
* Python-exp switched to py3
* Removes python 2.7 for python-exp ci testing
* Requires python>=3.3 for python-exp
* Reverts unnecessary changes to two templates
* Dynamic server support
* regenerated
* Apply suggestions from code review
Co-authored-by: Thomas Hervé <thomas.herve@datadoghq.com>
* regenerated
* Add ParameterizedServer feature to Python experimental
* Fix lookup of server variables
* Add tests and change default value for servers
* Fix server variables
* Return base path when index is None
* Use HOST
* Apply suggestions from code review
* Apply suggestions from code review
* regenerated
* Add specific tests for dynamic servers
* regenerated
* add docstring
* regenerated
* Fix wrong merge resolution
Co-authored-by: Thomas Hervé <thomas.herve@datadoghq.com>