GitLab

Refactoring: distance_map is initialized in constructor, so checks like hasattr(self, 'distance_map') are unnecessary

Refactoring: delete new_position from TreeObsForRailEnv and use flatland.core.grid.grid4utils.get_new_position instead

renamed action_required instead of entering and remove two if False conditions in sparse_rail_generator

#155 return in info field whether agent is malfunctioning; renamed "actionable" to "entering" which describes content better

Updated flatland 2.0 example
added new feature: Malfunctioning agents will automatically resume operation when they are fixed

updated malfunction behavior. Now a train can break at any point during its travel. We don't count number of stops anymore. This is to simulate more complex stochastic events.