Why do I get the error “Method eth_maxPriorityFeePerGas not supported” when I try to run Web3py with Ganache?

Please use this to send your transaction:

 transaction = SimpleStorage.constructor().buildTransaction( {
    "gasPrice": w3.eth.gas_price, 
    "chainId": chain_id, 
    "from": my_address, 
    "nonce": nonce, 
}