[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/trio/_abc.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from math import inf
 import socket
 from abc import ABC, abstractmethod
 from typing import TYPE_CHECKING, Generic, TypeVar

src/trio/_core/_mock_clock.py

@@ -1,7 +1,6 @@
 import time
 from math import inf
 
-from .. import _core
 from .._abc import Clock
 from .._util import final
 from ._run import GLOBAL_RUN_CONTEXT

src/trio/_core/_tests/test_mock_clock.py

@@ -26,7 +26,7 @@ def test_mock_clock() -> None:
     assert c.current_time() == 1.2
     assert c.deadline_to_sleep_time(-0.1) == (0, 0)
     assert c.deadline_to_sleep_time(0.0) == (0, 0)
-    assert c.deadline_to_sleep_time(0.1) ==(999999999, 0.1)
+    assert c.deadline_to_sleep_time(0.1) == (999999999, 0.1)
 
     with pytest.raises(ValueError, match=r"^rate must be >= 0$"):
         c.rate = -1
@@ -183,13 +183,13 @@ async def test_initialization_doesnt_mutate_runner() -> None:
     # TODO: is this test even necessary now?
     before = (
         GLOBAL_RUN_CONTEXT.runner.clock,
-        #GLOBAL_RUN_CONTEXT.runner.clock.autojump_threshold,
+        # GLOBAL_RUN_CONTEXT.runner.clock.autojump_threshold,
     )
 
     MockClock(autojump_threshold=2, rate=3)
 
     after = (
         GLOBAL_RUN_CONTEXT.runner.clock,
-        #GLOBAL_RUN_CONTEXT.runner.clock.autojump_threshold,
+        # GLOBAL_RUN_CONTEXT.runner.clock.autojump_threshold,
     )
     assert before == after