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Sync Subtensor warning #2578

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Merged
thewhaleking merged 1 commit into from
Jan 14, 2025
Merged

Sync Subtensor warning #2578

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13 changes: 12 additions & 1 deletion bittensor/core/subtensor.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
import warnings
from functools import lru_cache
from typing import TYPE_CHECKING, Any, Iterable, Optional, Union

Expand All @@ -8,7 +9,12 @@
from bittensor.core.async_subtensor import AsyncSubtensor
from bittensor.core.metagraph import Metagraph
from bittensor.core.settings import version_as_int
from bittensor.utils import execute_coroutine, torch, get_event_loop
from bittensor.utils import (
execute_coroutine,
torch,
get_event_loop,
event_loop_is_running,
)

if TYPE_CHECKING:
from bittensor_wallet import Wallet
Expand Down Expand Up @@ -52,6 +58,11 @@ def __init__(
_mock: bool = False,
log_verbose: bool = False,
):
if event_loop_is_running():
warnings.warn(
"You are calling this from an already running event loop. Some features may not work correctly. You "
"should instead use `AsyncSubtensor`."
)
self.event_loop = get_event_loop()
self.network = network
self._config = config
Expand Down
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