diff --git a/python/contract_registry/pytest/fixtures_registry.py b/python/contract_registry/pytest/fixtures_registry.py
index c712ba7..4c2d624 100644
--- a/python/contract_registry/pytest/fixtures_registry.py
+++ b/python/contract_registry/pytest/fixtures_registry.py
@@ -3,7 +3,7 @@ import logging
 
 # external imports
 import pytest
-from chainlib.eth.connection import RPCConnection
+from chainlib.connection import RPCConnection
 from chainlib.eth.tx import receipt
 
 # local imports
@@ -17,12 +17,13 @@ valid_identifiers = [
 
 @pytest.fixture(scope='function')
 def registry(
+    default_chain_spec,
     init_eth_tester,
     init_eth_rpc,
     eth_accounts,
         ):
   
-    conn = RPCConnection.connect('default')
+    conn = RPCConnection.connect(default_chain_spec, 'default')
     builder = Registry(signer=conn.signer)
     (tx_hash_hex, o) = builder.constructor(eth_accounts[0], valid_identifiers)
     r = conn.do(o)
diff --git a/python/gmon.out b/python/gmon.out
index e908752..a452aac 100644
Binary files a/python/gmon.out and b/python/gmon.out differ
diff --git a/python/setup.cfg b/python/setup.cfg
index 9aed641..60e1b15 100644
--- a/python/setup.cfg
+++ b/python/setup.cfg
@@ -28,9 +28,7 @@ include_package_data = True
 python_requires = >= 3.6
 packages = 
 	contract_registry
-	contract_registry.helper
 	contract_registry.pytest
-	contract_registry.runnable
 
 [options.entry_points]
 console_scripts =
diff --git a/python/tests/test_basic.py b/python/tests/test_basic.py
index 2941596..3c66cc6 100644
--- a/python/tests/test_basic.py
+++ b/python/tests/test_basic.py
@@ -8,7 +8,7 @@ from chainlib.eth.tx import (
         receipt,
         transaction,
         )
-from chainlib.eth.connection import RPCConnection
+from chainlib.connection import RPCConnection
 from chainlib.eth.contract import (
         ABIContractEncoder,
         ABIContractType,