[BUG]: When agent plays alone and does not provide seed in reset, the game stops

[ondrej-lukas]

Bug Description

There is a case when no agent provides a seed for reset, the game should not change anything and continue. But it crashes on the valid_topology_change check

Steps to Reproduce

1. Start environment
2. Connect agent with reset() (default values)
3. Game crashes on first reset

Expected Behavior

Game continues without changing seed or topology

Version

0.2.0

Installation / Deployment Method

Installed from PyPI (pip)