Fix linters deprecation errors

tests/perf/auto_sheriffing_criteria/test_common_behaviour.py

@@ -2,7 +2,7 @@
 
 import pytest
 from django.conf import settings
-from typing import Callable
+from collections.abc import Callable
 
 from tests.perf.auto_sheriffing_criteria.conftest import CASSETTES_RECORDING_DATE
 from treeherder.config.settings import BZ_DATETIME_FORMAT

treeherder/etl/perf.py

@@ -2,7 +2,6 @@
 import logging
 from datetime import datetime
 from hashlib import sha1
-from typing import Optional
 
 import simplejson as json
 
@@ -119,7 +118,7 @@ def _test_should_alert_based_on(
 
 
 def _test_should_gather_replicates_based_on(
-    repository: Repository, suite_name: str, replicates: Optional[list] = None
+    repository: Repository, suite_name: str, replicates: list | None
 ) -> bool:
     """
     Determine if we should gather/ingest replicates. Currently, it's

treeherder/perf/auto_perf_sheriffing/backfill_reports.py

@@ -1,7 +1,6 @@
 import logging
 from datetime import timedelta, datetime
 from itertools import zip_longest, groupby
-from typing import Optional
 
 import simplejson as json
 from django.db.models import QuerySet, Q, F
@@ -87,7 +86,7 @@ def initial_culprit_job(alert):
 
         def parent_or_sibling_from(
             alert_group: list[PerformanceAlert],
-        ) -> Optional[PerformanceAlert]:
+        ) -> PerformanceAlert | None:
             if len(alert_group) == 0:
                 return None
 

treeherder/perf/auto_perf_sheriffing/backfill_tool.py

@@ -1,7 +1,6 @@
 import logging
 
 from django.core.exceptions import ObjectDoesNotExist
-from typing import Union
 
 from treeherder.model.models import Job
 from treeherder.perf.exceptions import CannotBackfillError
@@ -14,7 +13,7 @@ class BackfillTool:
     def __init__(self, taskcluster_model: TaskclusterModel):
         self.__taskcluster = taskcluster_model
 
-    def backfill_job(self, job: Union[Job, str]) -> str:
+    def backfill_job(self, job: Job | str) -> str:
         if not isinstance(job, Job):
             job = self._fetch_job_by_id(job)
 

treeherder/perf/email.py

@@ -11,8 +11,6 @@
 from abc import ABC, abstractmethod
 import urllib.parse
 
-from typing import Union, Optional
-
 from django.conf import settings
 from treeherder.perf.models import (
     BackfillRecord,
@@ -40,7 +38,7 @@ class EmailWriter(ABC):
     def __init__(self):
         self._email = Email()
 
-    def prepare_new_email(self, must_mention: Union[list[object], object]) -> dict:
+    def prepare_new_email(self, must_mention: list[object] | object) -> dict:
         """
         Template method
         """
@@ -192,7 +190,7 @@ def __build_push_range_cell_text(alert: PerformanceAlert) -> str:
         return f"{repository_name}:{previous_push}:{push}"
 
     @staticmethod
-    def __escape_markdown(text: str) -> Optional[str]:
+    def __escape_markdown(text: str) -> str | None:
         """
         Mostly copied "Example 2" from https://www.programcreek.com/python/?CodeExample=escape+markdown
         """

treeherder/perf/models.py

@@ -1,7 +1,6 @@
 import logging
 from datetime import datetime
 import json
-from typing import Optional
 from functools import reduce
 
 from django.contrib.auth.models import User
@@ -521,7 +520,7 @@ class PerformanceAlert(models.Model):
     manually_created = models.BooleanField(default=False)
 
     @property
-    def initial_culprit_job(self) -> Optional[Job]:
+    def initial_culprit_job(self) -> Job | None:
         if hasattr(self, "__initial_culprit_job"):
             return self.__initial_culprit_job
 
@@ -720,7 +719,7 @@ def platform(self) -> MachinePlatform:
         return self.alert.series_signature.platform
 
     @property
-    def job_symbol(self) -> Optional[str]:
+    def job_symbol(self) -> str | None:
         if not all([self.job_tier, self.job_group, self.job_type]):
             return None
 
@@ -845,7 +844,7 @@ class Meta:
         db_table = "performance_settings"
 
 
-def deepgetattr(obj: object, attr_chain: str) -> Optional[object]:
+def deepgetattr(obj: object, attr_chain: str) -> object | None:
     """Recursively follow an attribute chain to get the final value.
 
     @param attr_chain: e.g. 'repository.name', 'job_type', 'record.platform.architecture' etc

treeherder/perf/sheriffing_criteria/criteria_tracking.py

@@ -4,7 +4,6 @@
 from multiprocessing import cpu_count
 from multiprocessing.pool import Pool, ThreadPool, AsyncResult
 import time
-from typing import Union
 
 from datetime import datetime, timedelta
 
@@ -22,8 +21,8 @@ class CriteriaRecord:
     Framework: str
     Suite: str
     Test: str
-    EngineerTraction: Union[float, str]
-    FixRatio: Union[float, str]
+    EngineerTraction: float | str
+    FixRatio: float | str
     TotalAlerts: int
     LastUpdatedOn: datetime
     AllowSync: bool