Gregory Green

I'm guessing this bug was introduced by https://github.com/sivaramambikasaran/HODLR/commit/c69cf44b96a6594fe8d37b5994044277e8ef2304.

Hi Dan, Thanks for the tip about George. I came across it soon after finding this bug, and the python support looks much better. I'll give it a try. Thanks!

`progressbar2` should be installed by Pip alongside `dustmaps`, given that it's listed [here](https://github.com/gregreen/dustmaps/blob/ea09611a1d45b62dcf7744cbb96f208e96c0a2a5/setup.py#L162). Is this not the case?

Thanks. Perhaps a `requirements.txt` would be useful to include.

I'll look into `astropy_healpix` and see if it contains all the functionality that `dustmaps` needs. It would be nice to reduce the number of dependencies (I already rely on `astropy`,...

I'm actually going to modify this a bit to include a blank page after the DAC, as Harvard requires.

@acscott, Are you still seeing this error?

I use vim. It's kind of a pain to switch it to use tabs. As I'm making changes to the code base, I'm using `expand` to replace tabs with spaces....

I've been trying to make the diffs more readable by doing `expand` and committing, before making any further changes. I didn't think to do that here.

The non-conservation of energy is probably due to the fact that you're using Euler integration. You can get rid of this behavior by using a symplectic integrator, such as the...