improve async subtensor call

Author: Roman

bittensor/core/async_subtensor.py

@@ -3812,6 +3812,7 @@ async def set_weights(
         wait_for_inclusion: bool = False,
         wait_for_finalization: bool = False,
         max_retries: int = 5,
+        block_time: float = 12.0,
     ):
         """
         Sets the inter-neuronal weights for the specified neuron. This process involves specifying the influence or
@@ -3831,6 +3832,7 @@ async def set_weights(
             wait_for_finalization (bool): Waits for the transaction to be finalized on the blockchain. Default is
                 ``False``.
             max_retries (int): The number of maximum attempts to set weights. Default is ``5``.
+            block_time (float): The amount of seconds for block duration. Default is 12.0 seconds.
 
         Returns:
             tuple[bool, str]: ``True`` if the setting of weights is successful, False otherwise. And `msg`, a string
@@ -3879,6 +3881,7 @@ async def _blocks_weight_limit() -> bool:
                     version_key=version_key,
                     wait_for_inclusion=wait_for_inclusion,
                     wait_for_finalization=wait_for_finalization,
+                    block_time=block_time,
                 )
                 retries += 1
             return success, message