def eth_getBlockTransactionCountByNumber(self, block=BLOCK_TAG_LATEST):
        """https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getblocktransactioncountbynumber

        :param block: Block tag or number (optional)
        :type block: int or BLOCK_TAGS

        :return: count
        :rtype: int
        """
        block = validate_block(block)
        return hex_to_dec((yield from self.rpc_call('eth_getBlockTransactionCountByNumber',
                                                    [block])))
def eth_getBlockTransactionCountByNumber ( self , block = BLOCK_TAG_LATEST ) : block = validate_block ( block ) return hex_to_dec ( ( yield from self . rpc_call ( 'eth_getBlockTransactionCountByNumber' , [ block ] ) ) )
https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_getblocktransactioncountbynumber

        :param block: Block tag or number (optional)
        :type block: int or BLOCK_TAGS

        :return: count
        :rtype: int