Update pre-commit to use modern black and ruff

.pre-commit-config.yaml

@@ -1,11 +1,15 @@
 repos:
   - repo: https://github.com/psf/black
-    rev: 22.3.0
+    rev: 23.12.1
     hooks:
       - id: black
         language_version: python3
-  - repo: https://github.com/pycqa/flake8
-    rev: 3.9.2
+        exclude: versioneer.py
+        args:
+          - --target-version=py39
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    # Ruff version.
+    rev: 'v0.1.14'
     hooks:
-      - id: flake8
-        language_version: python3
+      - id: ruff
+        args: [--fix, --exit-non-zero-on-fix]

dask_ctl/__init__.py

@@ -1,29 +1,12 @@
 from ._version import get_versions
 
-__version__ = get_versions()["version"]
-del get_versions
-
-from . import config
-
-from .discovery import (
-    discover_cluster_names,
-    discover_clusters,
-    list_discovery_methods,
-)
-from .lifecycle import (
-    get_cluster,
-    create_cluster,
-    scale_cluster,
-    delete_cluster,
-    list_clusters,
-    get_snippet,
-)
-from .proxy import ProxyCluster
-
 import os.path
 
 from dask.widgets import TEMPLATE_PATHS
 
+__version__ = get_versions()["version"]
+del get_versions
+
 TEMPLATE_PATHS.append(
     os.path.join(os.path.dirname(os.path.abspath(__file__)), "widgets", "templates")
 )

dask_ctl/cli.py

@@ -89,7 +89,6 @@ def list(discovery=None):
     """
 
     async def _list():
-
         with console.status("[bold green]Discovering clusters...") as status:
             table = await generate_table(
                 discovery=discovery, status=status, console=console

dask_ctl/discovery.py

@@ -101,7 +101,9 @@ async def discover_cluster_names(
                     warnings.warn(
                         f"Cluster discovery for {discovery_method} timed out."
                     )
-        except Exception as e:  # We are calling code that is out of our control here, so handling broad exceptions
+        except (
+            Exception
+        ) as e:  # We are calling code that is out of our control here, so handling broad exceptions
             if discovery is None:
                 warnings.warn(f"Cluster discovery for {discovery_method} failed.")
             else:

dask_ctl/utils.py

@@ -9,7 +9,6 @@
 
 
 class _AsyncTimedIterator:
-
     __slots__ = ("_iterator", "_timeout", "_sentinel")
 
     def __init__(self, iterable, timeout):