Merge branch 'master' of gitlab.aicrowd.com:flatland/flatland into 57-access-resources-through-importlib_resources

Fix43and60

Closes #60

See merge request flatland/flatland!58

Merge branch 'master' of gitlab.aicrowd.com:flatland/flatland into 57-access-resources-through-importlib_resources

Cleanup flake8 once more

See merge request flatland/flatland!56

Merge branch 'master' of gitlab.aicrowd.com:flatland/flatland into 57-access-resources-through-importlib_resources

Merge branch 'master' of gitlab.aicrowd.com:flatland/flatland into 57-access-resources-through-importlib_resources

code cleanup

See merge request flatland/flatland!55

Changed behavior of environment to change action_dict of agents after their input. --> Giacomo please check that this is ok with your implementation

updated observation to cummulate the number of observed agents with same or other direction along each branch

Resolve "run examples in ci as integration tests, preferably with assertions"

Closes #51

See merge request flatland/flatland!54

#56 bugfix dimensions in explore branch

Closes #56

See merge request flatland/flatland!53

Update split_tree in observations.py to include the agent direction and normalize the state correctly

Merge branch 'master' of gitlab.aicrowd.com:flatland/flatland into 51-run-examples-in-ci-including-notebooks

#56 bugfix wrong length of observation vector; #47 added two flags whether...

Closes #47 and #56

See merge request flatland/flatland!52

#25 use RailEnvActions enum instead of hardcoded action ints

Closes #25

See merge request flatland/flatland!51

#56 bugfix wrong length of observation vector; #47 added two flags whether there is another agent on the same position in the same or opposite direction