diff --git a/python/eth_accounts_index/__init__.py b/python/eth_accounts_index/__init__.py
index f42a3d9..c3447ef 100644
--- a/python/eth_accounts_index/__init__.py
+++ b/python/eth_accounts_index/__init__.py
@@ -1 +1 @@
-from .index import AccountsIndex
+from .interface import AccountsIndex
diff --git a/python/eth_accounts_index/index.py b/python/eth_accounts_index/interface.py
similarity index 100%
rename from python/eth_accounts_index/index.py
rename to python/eth_accounts_index/interface.py
diff --git a/python/tests/test_app.py b/python/tests/test_app.py
index aec6d92..d4f6d5d 100644
--- a/python/tests/test_app.py
+++ b/python/tests/test_app.py
@@ -103,8 +103,6 @@ class Test(EthTesterCase):
         logg.debug('o {}'.format(o))
 
 
-
-
 # TODO: reinstate all tests
 #    def test_access(self):
 #        registry = AccountRegistry(self.w3, self.address, self.w3.eth.accounts[1])