Clean up ruff config (#1358)

.pre-commit-config.yaml

@@ -67,11 +67,13 @@ repos:
           ["traitlets>=5.13", "jupyter_core>=5.5", "jupyter_client>=8.5"]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.1.4
+    rev: v0.1.5
     hooks:
       - id: ruff
+        types_or: [python, jupyter]
         args: ["--fix", "--show-fixes"]
       - id: ruff-format
+        types_or: [python, jupyter]
 
   - repo: https://github.com/scientific-python/cookie
     rev: "2023.10.27"

pyproject.toml

@@ -116,7 +116,10 @@ integration = "test --integration_tests=true {args}"
 detached = true
 dependencies = ["pre-commit"]
 [tool.hatch.envs.lint.scripts]
-build = "pre-commit run --all-files ruff"
+build = [
+  "pre-commit run --all-files ruff",
+  "pre-commit run --all-files ruff-format",
+]
 
 [tool.hatch.version]
 path = "jupyter_server/_version.py"
@@ -137,7 +140,6 @@ install-pre-commit-hook = true
 optional-editable-build = true
 
 [tool.ruff]
-target-version = "py38"
 line-length = 100
 
 [tool.ruff.lint]

tests/services/kernels/test_api.py

@@ -7,6 +7,7 @@
 import jupyter_client
 import pytest
 import tornado
+from flaky import flaky
 from jupyter_client.kernelspec import NATIVE_KERNEL_NAME
 from tornado.httpclient import HTTPClientError
 
@@ -256,6 +257,7 @@ async def test_kernel_handler_startup_error_pending(
         await jp_ws_fetch("api", "kernels", kid, "channels")
 
 
+@flaky
 @pytest.mark.timeout(TEST_TIMEOUT)
 async def test_connection(jp_fetch, jp_ws_fetch, jp_http_port, jp_auth_header):
     # Create kernel

tests/services/sessions/test_api.py

@@ -9,6 +9,7 @@
 import jupyter_client
 import pytest
 import tornado
+from flaky import flaky
 from jupyter_client.ioloop import AsyncIOLoopKernelManager
 from nbformat import writes
 from nbformat.v4 import new_notebook
@@ -506,6 +507,7 @@ async def test_modify_kernel_id(session_client, jp_fetch, jp_serverapp, session_
         assert kernel_list == [kernel]
 
 
+@flaky
 @pytest.mark.timeout(TEST_TIMEOUT)
 async def test_restart_kernel(session_client, jp_base_url, jp_fetch, jp_ws_fetch, session_is_ready):
     # Create a session.