chore: minor fix in async MsgRelayPriceFeedPrice example

Author: achilleas-kal

examples/async/chain_client/23_MsgRelayPriceFeedPrice.py

@@ -34,7 +34,7 @@ async def main() -> None:
     # load account
     priv_key = PrivateKey.from_hex("f9db9bf330e23cb7839039e944adef6e9df447b90b503d5b4464c90bea9022f3")
     pub_key = priv_key.to_public_key()
-    address =  pub_key.to_address().init_num_seq(network.lcd_endpoint)
+    address = await pub_key.to_address().async_init_num_seq(network.lcd_endpoint)
 
     price = 45000
     price_to_send = [str(int(price * 10 ** 6))]