diff --git a/deltachat-rpc-client/src/deltachat_rpc_client/account.py b/deltachat-rpc-client/src/deltachat_rpc_client/account.py
index 06cd3d3b5..748df661c 100644
--- a/deltachat-rpc-client/src/deltachat_rpc_client/account.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/account.py
@@ -272,7 +272,7 @@ class Account:
         return Contact(self, SpecialContactId.SELF)
 
     @property
-    def device_contact(self) -> Chat:
+    def device_contact(self) -> Contact:
         """Account's device contact."""
         return Contact(self, SpecialContactId.DEVICE)
 
diff --git a/deltachat-rpc-client/src/deltachat_rpc_client/message.py b/deltachat-rpc-client/src/deltachat_rpc_client/message.py
index 86b354d5a..68976f5e9 100644
--- a/deltachat-rpc-client/src/deltachat_rpc_client/message.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/message.py
@@ -121,7 +121,7 @@ class Message:
         yield self._rpc.send_webxdc_realtime_advertisement.future(self.account.id, self.id)
 
     @futuremethod
-    def send_webxdc_realtime_data(self, data) -> None:
+    def send_webxdc_realtime_data(self, data):
         """Send data to the realtime channel."""
         yield self._rpc.send_webxdc_realtime_data.future(self.account.id, self.id, list(data))
 
diff --git a/deltachat-rpc-client/src/deltachat_rpc_client/pytestplugin.py b/deltachat-rpc-client/src/deltachat_rpc_client/pytestplugin.py
index 0abccde4e..a901cbd5a 100644
--- a/deltachat-rpc-client/src/deltachat_rpc_client/pytestplugin.py
+++ b/deltachat-rpc-client/src/deltachat_rpc_client/pytestplugin.py
@@ -76,7 +76,7 @@ class RPCAccountFactory:
         """Create a new unconfigured bot."""
         return Bot(self.get_unconfigured_account())
 
-    def get_credentials(self) -> (str, str):
+    def get_credentials(self) -> tuple[str, str]:
         """Generate new credentials for chatmail account."""
         domain = os.environ["CHATMAIL_DOMAIN"]
         username = "ci-" + "".join(random.choice("2345789acdefghjkmnpqrstuvwxyz") for i in range(6))
diff --git a/deltachat-rpc-client/tests/test_chatlist_events.py b/deltachat-rpc-client/tests/test_chatlist_events.py
index e52404a6e..36232d4e8 100644
--- a/deltachat-rpc-client/tests/test_chatlist_events.py
+++ b/deltachat-rpc-client/tests/test_chatlist_events.py
@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from typing import TYPE_CHECKING
 
-from deltachat_rpc_client import Account, EventType, const
+from deltachat_rpc_client import EventType, const
 
 if TYPE_CHECKING:
     from deltachat_rpc_client.pytestplugin import RPCAccountFactory
@@ -144,7 +144,7 @@ def test_download_on_demand(acf: RPCAccountFactory, rpcdata) -> None:
     wait_for_chatlist_specific_item(alice, chat_id)
 
 
-def get_multi_account_test_setup(acf: RPCAccountFactory) -> [Account, Account, Account]:
+def get_multi_account_test_setup(acf: RPCAccountFactory) -> list:
     alice, bob = acf.get_online_accounts(2)
 
     alice_contact_bob = alice.create_contact(bob, "Bob")