diff --git a/python/nekoton/__main__.py b/python/nekoton/__main__.py
index a94f91a..06e654b 100644
--- a/python/nekoton/__main__.py
+++ b/python/nekoton/__main__.py
@@ -6,11 +6,11 @@
 from . import generator
 
 parser = argparse.ArgumentParser(
-    prog='nekoton',
-    description='Generates a wrapper using an ABI')
+    prog="nekoton", description="Generates a wrapper using an ABI"
+)
 
-parser.add_argument('filename')
-parser.add_argument('-n', '--name', required=False)
+parser.add_argument("filename")
+parser.add_argument("-n", "--name", required=False)
 
 args = parser.parse_args()
 
diff --git a/python/nekoton/contracts/ever_wallet.py b/python/nekoton/contracts/ever_wallet.py
index a22d7aa..c0fa48b 100644
--- a/python/nekoton/contracts/ever_wallet.py
+++ b/python/nekoton/contracts/ever_wallet.py
@@ -1,8 +1,9 @@
 from typing import Optional
 
-from ... import base as _base
+from . import IGiver
 import nekoton as _nt
 
+
 _wallet_abi = _nt.ContractAbi("""{
     "ABI version": 2,
     "version": "2.3",
@@ -33,7 +34,7 @@
 ]
 
 
-class EverWallet(_base.IGiver):
+class EverWallet(IGiver):
     @classmethod
     def compute_address(
         cls, public_key: _nt.PublicKey, workchain: int = 0
diff --git a/python/nekoton/contracts/giver.py b/python/nekoton/contracts/giver.py
index d9b8673..c5c59a9 100644
--- a/python/nekoton/contracts/giver.py
+++ b/python/nekoton/contracts/giver.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from ... import base as _base
+from . import IGiver
 import nekoton as _nt
 
 _giver_v1_abi = _nt.ContractAbi("""{
@@ -25,7 +25,7 @@
 _giver_v1_tvc = "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"
 
 
-class GiverV1(_base.IGiver):
+class GiverV1(IGiver):
     @staticmethod
     def compute_address(workchain: int = 0) -> _nt.Address:
         return _nt.Address.from_parts(
@@ -36,7 +36,7 @@ def compute_address(workchain: int = 0) -> _nt.Address:
     async def deploy(
         transport: _nt.Transport,
         workchain: int = 0,
-        other_giver: _base.IGiver | None = None,
+        other_giver: IGiver | None = None,
     ) -> GiverV1:
         # Compute giver address
         state_init_cell = _nt.Cell.decode(_giver_v1_tvc)