Filippos Christianos

Hi! Could you try downgrading to gym==0.21 ? I think gym broke a few things (again). I'll get to fixing for the latest version soon, but for now please try...

@aowen87 Have you tried the solution above (downgrading to 0.21)?

Gym seems to be aggressively changing their API recently and fixes seem to be short-lasting. I believe they will release a v1.0 soon which will stabilise their API. I will...

This error is generated outside of our code. I think the rendering library is not finding a screen. Are you running this on a server or locally? If you are...

It should give you rewards at every time step (at a typical gym-interface fashion). Do note that this is a (somewhat) sparse-reward environment. Non-zero rewards are given only upon successfully...

Hi, Can you post the full stack trace (i.e. the line this error is thrown)? To be honest, this doesn't look to originate from our code base, so I am...

This is a good start to understanding it: https://github.com/semitable/robotic-warehouse/blob/master/rware/warehouse.py#L404 you can even use the "slow" observations (observation type DICT) that you can then probe as a dictionary. See here: https://github.com/semitable/robotic-warehouse/blob/master/rware/warehouse.py#L163

related to #17

If sensor range is 1, then the agent can see everything inside a 3x3 box centred around it, i.e. the directions you mention plus the diagonal ones. For a sensor...

I think you'll have to extract them from `self.grid` in the warehouse class. Apologies, but I don't have the time capacity to assist with that. The `_make_obs` function might be...