is blocks_since_last_step==0 then get_next_epoch_start_block returns None: Fixed

Roman · Roman · commit d6393f97f54a · 2025-05-28T12:37:03.000-07:00
diff --git a/bittensor/core/async_subtensor.py b/bittensor/core/async_subtensor.py
@@ -1796,7 +1796,7 @@ async def get_next_epoch_start_block(
             netuid=netuid, block=block, block_hash=block_hash, reuse_block=reuse_block
         )
 
-        if block and blocks_since_last_step and tempo:
+        if block and blocks_since_last_step is not None and tempo:
             return block - blocks_since_last_step + tempo + 1
         return None
 
diff --git a/bittensor/core/subtensor.py b/bittensor/core/subtensor.py
@@ -1385,7 +1385,7 @@ def get_next_epoch_start_block(
         blocks_since_last_step = self.blocks_since_last_step(netuid=netuid, block=block)
         tempo = self.tempo(netuid=netuid, block=block)
 
-        if block and blocks_since_last_step and tempo:
+        if block and blocks_since_last_step is not None and tempo:
             return block - blocks_since_last_step + tempo + 1
         return None
 

Original file line number	Diff line number	Diff line change
`@@ -1796,7 +1796,7 @@ async def get_next_epoch_start_block(`
`1796`	`1796`	`netuid=netuid, block=block, block_hash=block_hash, reuse_block=reuse_block`
`1797`	`1797`	`)`
`1798`	`1798`
`1799`		`- if block and blocks_since_last_step and tempo:`
	`1799`	`+ if block and blocks_since_last_step is not None and tempo:`
`1800`	`1800`	`return block - blocks_since_last_step + tempo + 1`
`1801`	`1801`	`return None`
`1802`	`1802`