Is this necessarily a bad thing? I generally try follow the "code such that nearly anyone can understand" mantra. Helps keep things simple and concise.
In a way, it stiffles creativity just for a small gain of formating/readibility.
Plus, with modern IDEs it is very simple to format the code the way you want. In eclipse you have RightClick -> Source -> Format then viola, your code looks the way you want.
Having worked with both python and java, I have enountered more hard to read code in python than in java, (maybe this is due to the superior tools/IDEs in java).
As for ada, i thought it was a great language to start learning programming. Exceptions are verbose, and it is an easy language to pick up, as it looks a lot like Pascal. I learned it my freshman year, but I never used it in a production capacity and I wouldn't consider doing anything serious with it right now.
Indentation is required when writing in any language as a matter of courtesy. Python just doesn't ask you to delimit your blocks of code a second time by unnecessarily requiring brackets.
You can nitpick all you want, but the fact is I can start reading just about anyone's python code and feel like it's my own because styles are consistent across the board. A lot of this has to do with the tight community, but the fact that it's all reinforced through syntax constraints is a huge plus.