diff --git a/moonworm/cli.py b/moonworm/cli.py
index e5d6546..dfc6739 100644
--- a/moonworm/cli.py
+++ b/moonworm/cli.py
@@ -1,9 +1,10 @@
 import argparse
 import json
 import os
-from multiprocessing.sharedctypes import Value
 from pathlib import Path
 from shutil import copyfile
+from types import MappingProxyType
+from typing import Any
 
 from web3.main import Web3
 from web3.middleware import geth_poa_middleware
@@ -11,8 +12,7 @@
 from moonworm.crawler.ethereum_state_provider import Web3StateProvider
 from moonworm.watch import watch_contract
 
-from .contracts import CU, ERC20, ERC721, CULands
-from .crawler.utils import Network
+from .contracts import CU, ERC20, ERC721
 from .deployment import find_deployment_block
 from .generators.basic import (
     generate_contract_cli_content,
@@ -154,6 +154,9 @@ def handle_watch(args: argparse.Namespace) -> None:
     if args.db:
         if args.network is None:
             raise ValueError("Please specify --network")
+
+        from .crawler.networks import Network
+
         network = Network.__members__[args.network]
 
         from .crawler.moonstream_ethereum_state_provider import (
@@ -180,7 +183,6 @@ def handle_watch(args: argparse.Namespace) -> None:
                 state_provider.clear_db_session()
 
     else:
-
         watch_contract(
             web3=web3,
             state_provider=Web3StateProvider(web3),
@@ -215,6 +217,14 @@ def generate_argument_parser() -> argparse.ArgumentParser:
     """
     Generates the command-line argument parser for the "moonworm" command.
     """
+    networks: MappingProxyType[Any, Any] = MappingProxyType({})
+    try:
+        from .crawler.networks import Network
+
+        networks = Network.__members__
+    except Exception:
+        pass
+
     parser = argparse.ArgumentParser(description="Moonworm: Manage your smart contract")
     parser.add_argument(
         "-v",
@@ -256,7 +266,7 @@ def generate_argument_parser() -> argparse.ArgumentParser:
 
     watch_parser.add_argument(
         "--network",
-        choices=Network.__members__,
+        choices=networks,
         default=None,
         help="Network name that represents models from db. If --db is set, required",
     )
diff --git a/moonworm/crawler/example.py b/moonworm/crawler/example.py
index 7479bcb..72fdfa2 100644
--- a/moonworm/crawler/example.py
+++ b/moonworm/crawler/example.py
@@ -43,7 +43,6 @@
     ]
 
     def run():
-
         if len(sys.argv) < 2:
             print("Usage: eventscanner.py http://your-node-url")
             sys.exit(1)
diff --git a/moonworm/crawler/log_scanner.py b/moonworm/crawler/log_scanner.py
index 27b8a29..7982770 100644
--- a/moonworm/crawler/log_scanner.py
+++ b/moonworm/crawler/log_scanner.py
@@ -303,7 +303,6 @@ def get_block_when(block_num):
         all_processed = []
 
         for event_type in self.events:
-
             # Callable that takes care of the underlying web3 call
             def _fetch_events(_start_block, _end_block):
                 return _fetch_events_chunk(
@@ -385,7 +384,6 @@ def scan(
         all_processed = []
 
         while current_block <= end_block:
-
             self.state.start_chunk(current_block, chunk_size)
 
             # Print some diagnostics to logs to try to fiddle with real world JSON-RPC API performance
diff --git a/moonworm/crawler/moonstream_ethereum_state_provider.py b/moonworm/crawler/moonstream_ethereum_state_provider.py
index 3600c03..620c047 100644
--- a/moonworm/crawler/moonstream_ethereum_state_provider.py
+++ b/moonworm/crawler/moonstream_ethereum_state_provider.py
@@ -4,26 +4,15 @@
 from eth_typing.evm import ChecksumAddress
 from hexbytes.main import HexBytes
 from sqlalchemy.orm import Session
-from sqlalchemy.sql.base import NO_ARG
 from web3 import Web3
 
 from .ethereum_state_provider import EthereumStateProvider
-from .networks import (
-    MODELS,
-    EthereumLabel,
-    EthereumTransaction,
-    MumbaiLabel,
-    MumbaiTransaction,
-    PolygonLabel,
-    PolygonTransaction,
-    XDaiTransaction,
-    yield_db_session_ctx,
-)
-from .utils import Network
+from .networks import MODELS, Network, tx_raw_types
 
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
 
+
 # TODO(yhtiyar) When getting block from db, filter it by `to` address, it will be faster
 # also get blocks in bunch
 class MoonstreamEthereumStateProvider(EthereumStateProvider):
@@ -81,9 +70,7 @@ def get_last_block_number(self) -> int:
 
     @staticmethod
     def _transform_to_w3_tx(
-        tx_raw: Union[
-            EthereumTransaction, MumbaiTransaction, PolygonTransaction, XDaiTransaction
-        ],
+        tx_raw: tx_raw_types,
     ) -> Dict[str, Any]:
         tx = {
             "blockNumber": tx_raw.block_number,
diff --git a/moonworm/crawler/networks.py b/moonworm/crawler/networks.py
index 16a7bb8..0c85ebd 100644
--- a/moonworm/crawler/networks.py
+++ b/moonworm/crawler/networks.py
@@ -2,50 +2,15 @@
 
 try:
     from moonstreamdb.db import yield_db_session_ctx
-    from moonstreamdb.models import (
-        Base,
+    from moonstreamdb.models import (  # state/moonstream_event_state dependency maybe removed in the future
         EthereumBlock,
         EthereumLabel,
-        EthereumTransaction,
-        MumbaiBlock,
-        MumbaiLabel,
-        MumbaiTransaction,
-        PolygonBlock,
-        PolygonLabel,
-        PolygonTransaction,
-        XDaiBlock,
-        XDaiLabel,
-        XDaiTransaction,
     )
+    from moonstreamdb.networks import MODELS, Network, tx_raw_types
+
 except ImportError:
     print("this feature requires moonstreamdb which is not installed")
     print("to enable, run: `pip install moonworm[moonstream]`")
     raise ImportError(
         "moonstreamdb not installed, to install, run: `pip install moonworm[moonstream]`"
     )
-
-
-from .utils import Network
-
-MODELS: Dict[Network, Dict[str, Base]] = {
-    Network.ethereum: {
-        "blocks": EthereumBlock,
-        "labels": EthereumLabel,
-        "transactions": EthereumTransaction,
-    },
-    Network.mumbai: {
-        "blocks": MumbaiBlock,
-        "labels": MumbaiLabel,
-        "transactions": MumbaiTransaction,
-    },
-    Network.polygon: {
-        "blocks": PolygonBlock,
-        "labels": PolygonLabel,
-        "transactions": PolygonTransaction,
-    },
-    Network.xdai: {
-        "blocks": XDaiBlock,
-        "labels": XDaiLabel,
-        "transactions": XDaiTransaction,
-    },
-}
diff --git a/moonworm/crawler/state/moonstream_event_state.py b/moonworm/crawler/state/moonstream_event_state.py
index fbdcc28..4577f58 100644
--- a/moonworm/crawler/state/moonstream_event_state.py
+++ b/moonworm/crawler/state/moonstream_event_state.py
@@ -1,7 +1,7 @@
-from moonstreamdb.models import EthereumBlock, EthereumLabel
 from sqlalchemy.orm import Query, Session
 from web3 import Web3
 
+from ..networks import EthereumBlock, EthereumLabel
 from .event_scanner_state import EventScannerState
 
 BLOCK_TIMESTAMP_CACHE = {}
diff --git a/moonworm/crawler/utils.py b/moonworm/crawler/utils.py
deleted file mode 100644
index 2fb7557..0000000
--- a/moonworm/crawler/utils.py
+++ /dev/null
@@ -1,8 +0,0 @@
-from enum import Enum
-
-
-class Network(Enum):
-    ethereum = "ethereum"
-    polygon = "polygon"
-    mumbai = "mumbai"
-    xdai = "xdai"
diff --git a/moonworm/generators/basic.py b/moonworm/generators/basic.py
index 2e8611c..1cfec03 100644
--- a/moonworm/generators/basic.py
+++ b/moonworm/generators/basic.py
@@ -341,7 +341,6 @@ def generate_contract_constructor_function(
 
 
 def generate_contract_function(func_object: Dict[str, Any]) -> cst.FunctionDef:
-
     default_param_name = "arg"
     default_counter = 1
     func_params = []
diff --git a/moonworm/generators/brownie.py b/moonworm/generators/brownie.py
index 3d179ae..b05be9e 100644
--- a/moonworm/generators/brownie.py
+++ b/moonworm/generators/brownie.py
@@ -235,7 +235,6 @@ def generate_brownie_contract_function(
             f"return self.contract.{func_raw_name}({','.join(param_names)})"
         )
     else:
-
         func_params.append(
             cst.Param(
                 name=cst.Name(value="block_number"),
diff --git a/moonworm/tests/test_tester_provider.py b/moonworm/tests/test_tester_provider.py
index 4552030..5d8bbf7 100644
--- a/moonworm/tests/test_tester_provider.py
+++ b/moonworm/tests/test_tester_provider.py
@@ -52,7 +52,6 @@ def check_eth_send(
         send_value,
         tx_receipt,
     ):
-
         assert receiver_current_balance == receiver_previous_balance + send_value
         assert (
             sender_current_balance
@@ -60,7 +59,6 @@ def check_eth_send(
         )
 
     def test_submit_transaction(self) -> None:
-
         sender = Web3.toChecksumAddress(PK_ADDRESS)
         self.web3.eth.send_transaction
         receiver = Web3.toChecksumAddress(self.web3.eth.accounts[1])
@@ -95,7 +93,6 @@ def test_submit_transaction(self) -> None:
         )
 
     def test_submit_signed_transaction(self) -> None:
-
         sender = Web3.toChecksumAddress(PK_ADDRESS)
         self.web3.eth.send_transaction
         receiver = Web3.toChecksumAddress(self.web3.eth.accounts[1])
diff --git a/moonworm/version.py b/moonworm/version.py
index d568ee0..af16777 100644
--- a/moonworm/version.py
+++ b/moonworm/version.py
@@ -1 +1 @@
-MOONWORM_VERSION = "0.6.0"
+MOONWORM_VERSION = "0.6.2"
diff --git a/moonworm/web3_util.py b/moonworm/web3_util.py
index 3494923..f777da2 100644
--- a/moonworm/web3_util.py
+++ b/moonworm/web3_util.py
@@ -53,7 +53,6 @@ def get_nonce(web3: Web3, address: ChecksumAddress) -> Nonce:
 def submit_transaction(
     web3: Web3, transaction: Union[TxParams, Any], signer_private_key: str
 ) -> HexBytes:
-
     """
     Signs and submits json transaction to blockchain from the name of signer
     """