mypy: Bump to 1.0 and fix new typing errors

Related to swh/meta#4960

swh/core/collections.py

@@ -19,7 +19,7 @@ class SortedList(Generic[SortedListKey, SortedListItem]):
 
     def __init__(
         self,
-        data: List[SortedListItem] = None,
+        data: List[SortedListItem] = [],
         key: Optional[Callable[[SortedListItem], SortedListKey]] = None,
     ):
         if key is None:

swh/core/db/tests/test_db.py

@@ -8,7 +8,7 @@ import datetime
 from enum import IntEnum
 import inspect
 from string import printable
-from typing import Any
+from typing import Any, Callable
 from unittest.mock import MagicMock, Mock
 import uuid
 
@@ -17,17 +17,12 @@ from hypothesis.extra.pytz import timezones
 import psycopg2
 import pytest
 from pytest_postgresql import factories
-from typing_extensions import Protocol
 
 from swh.core.db import BaseDb
 from swh.core.db.common import db_transaction, db_transaction_generator
 from swh.core.db.tests.conftest import function_scoped_fixture_check
 
-
-# workaround mypy bug https://github.com/python/mypy/issues/5485
-class Converter(Protocol):
-    def __call__(self, x: Any) -> Any:
-        ...
+Converter = Callable[[Any], Any]
 
 
 @dataclass

tox.ini

@@ -50,7 +50,7 @@ extras =
   http
   github
 deps =
-  mypy==0.942
+  mypy==1.0
 commands =
   mypy swh