Disable rebalancing by default, address some of review comments

src/server/block_selection.py

@@ -6,6 +6,8 @@ from hivemind import PeerID, get_logger
 
 from src.data_structures import RemoteModuleInfo, ServerState
 
+__all__ = ['choose_best_blocks', 'should_choose_other_blocks']
+
 logger = get_logger(__file__)
 
 

src/server/server.py

@@ -61,7 +61,7 @@ class Server(threading.Thread):
         sender_threads: int = 1,
         mean_block_selection_delay: float = 0.5,
         mean_balance_check_period: float = 150,
-        min_balance_quality: float = 0.8,
+        min_balance_quality: float = 0.0,
         use_auth_token: Optional[str] = None,
         load_in_8bit: bool = False,
         *,