web3.py: No matching events found

• Version: v4.2.0
• Python: 3.5
• OS: linux
• Geth: 1.8.6-stable, private network (with rpcapi=“db,eth,net,web3,personal,web3”)

Script

import json, web3, time
from web3 import Web3, HTTPProvider

def setup_Web3():
    global web3
    web3 = Web3(HTTPProvider('http://localhost:8545'))

def make_request(contract_interface, contract_address):
    deployed_Contract = web3.eth.contract(abi=contract_interface['abi'], address=contract_address)
    last_block_num = w3.eth.getBlock('latest').number
    event_filter = deployed_Contract.events.PermissionRequestDeployed.createFilter(fromBlock=last_block_num)
    transfer_filter = deployed_Contract.eventFilter('PermissionRequestDeployed')
    while True:
        print ("Event_filter: {}".format(event_filter.get_new_entries()))
        print ("Transfer_filter: {}".format(transfer_filter.get_new_entries()))
        time.sleep(0.1)
        print("listening...")

def handle_event(event):
    print(event)

setup_Web3()
#loading resources
make_request(contract_interface,  contract_address)`

Output

Event_filter: []
Transfer_filter: [AttributeDict({'logIndex': 0, 'transactionIndex': 0, 'blockNumber': 1262, 'blockHash': HexBytes('0x82383db66f6ac078180a1687dd54365e140c45fba85b893d374efa360c234aec'), 'address': '0x0aF62bE1f6c6a9F1c569c362eAdcDA9198eb9688', 'transactionHash': HexBytes('0x82d8591df9951bb9759a55b53fc6db26c89f9bf07373758c197217d2cdd6f60c'), 'event': 'PermissionRequestDeployed', 'args': AttributeDict({'permissionId': b'o\x80Zb\xf1\x07t\xdf\xf4\x1e\xe1\x11\x86\xbcF\x8bt=\xf9\x86\xf9\xee,\xb4\xe0\xc0\x1eL\xa4\xbe[\xef'})})]

last_block_num was set to Block 1895. The transaction was mined in Block 1897.