From dc95b1e715dee12c26c0e7df84bf0afe0343b477 Mon Sep 17 00:00:00 2001
From: Roman Chkhaidze <basfroman@gmail.com>
Date: Thu, 4 Dec 2025 16:02:24 -0800
Subject: [PATCH] stupid mistake (when blocks_until is `0` return None too)

---
 bittensor/core/async_subtensor.py | 16 ++++++++--------
 bittensor/core/subtensor.py       |  2 +-
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/bittensor/core/async_subtensor.py b/bittensor/core/async_subtensor.py
index 58825cd451..f717dd3ad2 100644
--- a/bittensor/core/async_subtensor.py
+++ b/bittensor/core/async_subtensor.py
@@ -2,7 +2,7 @@
 import copy
 import ssl
 from datetime import datetime, timezone
-from typing import cast, Optional, Any, Union, Iterable, TYPE_CHECKING, Literal
+from typing import TYPE_CHECKING, Any, Iterable, Literal, Optional, Union, cast
 
 import asyncstdlib as a
 import scalecodec
@@ -14,17 +14,17 @@
 from scalecodec import GenericCall
 
 from bittensor.core.chain_data import (
-    CrowdloanInfo,
     CrowdloanConstants,
+    CrowdloanInfo,
     DelegateInfo,
     DynamicInfo,
     MetagraphInfo,
-    NeuronInfoLite,
     NeuronInfo,
+    NeuronInfoLite,
     ProposalVoteData,
     ProxyAnnouncementInfo,
-    ProxyInfo,
     ProxyConstants,
+    ProxyInfo,
     ProxyType,
     RootClaimType,
     SelectiveMetagraphIndex,
@@ -69,9 +69,9 @@
 )
 from bittensor.core.extrinsics.asyncex.mev_shield import submit_encrypted_extrinsic
 from bittensor.core.extrinsics.asyncex.move_stake import (
-    transfer_stake_extrinsic,
-    swap_stake_extrinsic,
     move_stake_extrinsic,
+    swap_stake_extrinsic,
+    transfer_stake_extrinsic,
 )
 from bittensor.core.extrinsics.asyncex.proxy import (
     add_proxy_extrinsic,
@@ -83,8 +83,8 @@
     proxy_extrinsic,
     reject_announcement_extrinsic,
     remove_announcement_extrinsic,
-    remove_proxy_extrinsic,
     remove_proxies_extrinsic,
+    remove_proxy_extrinsic,
 )
 from bittensor.core.extrinsics.asyncex.registration import (
     burned_register_extrinsic,
@@ -3330,7 +3330,7 @@ async def get_next_epoch_start_block(
             netuid=netuid, tempo=tempo, block_hash=block_hash
         )
 
-        if not blocks_until:
+        if blocks_until is None:
             return None
 
         return current_block + blocks_until + 1
diff --git a/bittensor/core/subtensor.py b/bittensor/core/subtensor.py
index b49ef48eac..368ef4162a 100644
--- a/bittensor/core/subtensor.py
+++ b/bittensor/core/subtensor.py
@@ -2556,7 +2556,7 @@ def get_next_epoch_start_block(
             netuid=netuid, tempo=tempo, block=current_block
         )
 
-        if not blocks_until:
+        if blocks_until is None:
             return None
 
         return current_block + blocks_until + 1