diff --git a/src/clapper/click.py b/src/clapper/click.py
index 67a3003933c29cc3fee137a91de4374062dc039d..b9351385a62abcdfa204086c49544aab3f3b44fe 100644
--- a/src/clapper/click.py
+++ b/src/clapper/click.py
@@ -91,9 +91,7 @@ def verbosity_option(
             }[value]
 
             logger.setLevel(log_level)
-            logger.debug(
-                f'Level of Logger("{logger.name}") was set to {log_level}'
-            )
+            logger.debug(f'Level of Logger("{logger.name}") was set to {log_level}')
             return value
 
         return click.option(
@@ -168,9 +166,7 @@ will override the values of configuration files. You can run this command with
 
         # Add the config argument to the command
         def configs_argument_callback(ctx, param, value):
-            config_context = load(
-                value, entry_point_group=self.entry_point_group
-            )
+            config_context = load(value, entry_point_group=self.entry_point_group)
 
             config_context = mod_to_context(config_context)
             ctx.config_context = config_context
@@ -246,9 +242,7 @@ will override the values of configuration files. You can run this command with
                     f" [default: {param.default}]",
                 )
 
-            config_file.write(
-                f"{begin}: {param.name} ({', '.join(param.opts)}){dflt}"
-            )
+            config_file.write(f"{begin}: {param.name} ({', '.join(param.opts)}){dflt}")
 
             if param.help is not None:
                 config_file.write(f"\n{param.help}")
@@ -264,9 +258,7 @@ will override the values of configuration files. You can run this command with
 
             config_file.write('"""\n')
 
-        click.echo(
-            f"Configuration file `{config_file.name}' was written; exiting"
-        )
+        click.echo(f"Configuration file `{config_file.name}' was written; exiting")
 
         config_file.close()
         ctx.exit()
@@ -356,9 +348,7 @@ class ResourceOption(click.Option):
 
         self.entry_point_group = entry_point_group
         if entry_point_group is not None:
-            name, _, _ = self._parse_decls(
-                param_decls, kwargs.get("expose_value")
-            )
+            name, _, _ = self._parse_decls(param_decls, kwargs.get("expose_value"))
             help = help or ""  # noqa: A001
             help += (  # noqa: A001
                 f" Can be a `{entry_point_group}' entry point, a module name, or "
@@ -406,9 +396,7 @@ class ResourceOption(click.Option):
             it used to retrieve it.
         """
 
-        if (
-            not hasattr(ctx, "config_context")
-        ) and self.entry_point_group is None:
+        if (not hasattr(ctx, "config_context")) and self.entry_point_group is None:
             raise TypeError(
                 "The ResourceOption class is not meant to be used this way. "
                 "See package documentation for details."
@@ -442,9 +430,7 @@ class ResourceOption(click.Option):
 
         return value, source
 
-    def type_cast_value(
-        self, ctx: click.Context, value: typing.Any
-    ) -> typing.Any:
+    def type_cast_value(self, ctx: click.Context, value: typing.Any) -> typing.Any:
         """Convert and validate a value against the option's type.
 
         This method considers the option's ``type``, ``multiple``, and ``nargs``.
@@ -466,9 +452,7 @@ class ResourceOption(click.Option):
 
         # if the value is a string and an entry_point_group is provided, load it
         if self.entry_point_group is not None:
-            while (
-                isinstance(value, str) and value not in self.string_exceptions
-            ):
+            while isinstance(value, str) and value not in self.string_exceptions:
                 value = load(
                     [value],
                     entry_point_group=self.entry_point_group,
@@ -691,9 +675,7 @@ def config_group(
     def group_decorator(
         func: typing.Callable[..., typing.Any],
     ) -> typing.Callable[..., typing.Any]:
-        @click.group(
-            cls=AliasedGroup, context_settings=_COMMON_CONTEXT_SETTINGS
-        )
+        @click.group(cls=AliasedGroup, context_settings=_COMMON_CONTEXT_SETTINGS)
         @verbosity_option(logger=logger)
         @functools.wraps(func)
         def group_wrapper(**kwargs):
@@ -760,8 +742,7 @@ def config_group(
 
                             if ":" in ep.value:  # it's an object
                                 summary = (
-                                    f"[{type(obj).__name__}] "
-                                    f"{pprint.pformat(obj)}"
+                                    f"[{type(obj).__name__}] {pprint.pformat(obj)}"
                                 )
                                 summary = summary.replace("\n", " ")
                             else:  # it's a whole module
@@ -774,9 +755,7 @@ def config_group(
                                     summary += "[undocumented]"
 
                         except Exception as ex:
-                            summary = (
-                                "(cannot be loaded; add another -v for details)"
-                            )
+                            summary = "(cannot be loaded; add another -v for details)"
                             if (ctx.parent.params["verbose"] >= 2) or (
                                 ctx.params["verbose"] >= 2
                             ):
@@ -875,9 +854,7 @@ def config_group(
     return group_decorator
 
 
-def log_parameters(
-    logger_handle: logging.Logger, ignore: tuple[str] | None = None
-):
+def log_parameters(logger_handle: logging.Logger, ignore: tuple[str] | None = None):
     """Log the click parameters with the logging module.
 
     Parameters
diff --git a/src/clapper/config.py b/src/clapper/config.py
index a7ccda791f5ade5dfb978b022a19fb783bc1a83a..9d9a7b2d7067d9d9bccfdf72495d20c88f3dd131 100644
--- a/src/clapper/config.py
+++ b/src/clapper/config.py
@@ -147,9 +147,7 @@ def _resolve_entry_point_or_modules(
     object_names = []
 
     for path in paths:
-        module_name = (
-            "user_config"  # fixed module name for files with full paths
-        )
+        module_name = "user_config"  # fixed module name for files with full paths
         resolved_path, object_name = _object_name(path, common_name)
 
         # if it already points to a file, then do nothing
@@ -163,10 +161,7 @@ def _resolve_entry_point_or_modules(
             object_name = entry.attr if entry.attr else common_name
 
             resolved_path = _get_module_filename(module_name)
-            if (
-                resolved_path is None
-                or not pathlib.Path(resolved_path).is_file()
-            ):
+            if resolved_path is None or not pathlib.Path(resolved_path).is_file():
                 raise ValueError(
                     f"The specified entry point `{path}' pointing to module "
                     f"`{module_name}' and resolved to `{resolved_path}' does "
@@ -177,10 +172,7 @@ def _resolve_entry_point_or_modules(
         else:
             # if we have gotten here so far then path must resolve as a module
             resolved_path = _get_module_filename(resolved_path)
-            if (
-                resolved_path is None
-                or not pathlib.Path(resolved_path).is_file()
-            ):
+            if resolved_path is None or not pathlib.Path(resolved_path).is_file():
                 raise ValueError(
                     f"The specified path `{path}' is not a file, a entry "
                     f"point name, or a known-module name"
@@ -267,9 +259,7 @@ def load(
         ctxt.__dict__.pop("__name__", None)
         ctxt.__dict__.pop("__package__", None)
         # do not propogate __ variables
-        context = {
-            k: v for k, v in ctxt.__dict__.items() if not k.startswith("__")
-        }
+        context = {k: v for k, v in ctxt.__dict__.items() if not k.startswith("__")}
         mod.__dict__.update(context)
         _LOADED_CONFIGS.append(mod)
         ctxt = _load_context(k, mod)
diff --git a/src/clapper/logging.py b/src/clapper/logging.py
index 75cceddd1826980818bdf68b00b56e9f0ba0c974..c5845a72c1179d485f61abdb553037efa5294300 100644
--- a/src/clapper/logging.py
+++ b/src/clapper/logging.py
@@ -74,8 +74,7 @@ def setup(
     # First check that logger with a matching name or stream is not already
     # there before attaching a new one.
     if (debug_logger_name not in handlers_installed) or (
-        getattr(handlers_installed[debug_logger_name], "stream")
-        != low_level_stream
+        getattr(handlers_installed[debug_logger_name], "stream") != low_level_stream
     ):
         debug_info = logging.StreamHandler(low_level_stream)
         debug_info.setLevel(logging.DEBUG)
@@ -89,8 +88,7 @@ def setup(
     # First check that logger with a matching name or stream is not already
     # there before attaching a new one.
     if (error_logger_name not in handlers_installed) or (
-        getattr(handlers_installed[error_logger_name], "stream")
-        != high_level_stream
+        getattr(handlers_installed[error_logger_name], "stream") != high_level_stream
     ):
         warn_err = logging.StreamHandler(high_level_stream)
         warn_err.setLevel(logging.WARNING)
diff --git a/src/clapper/rc.py b/src/clapper/rc.py
index 28eedb3998b691fe3912861bc19ee33ba6e0c6ae..6bc2af5cfb25018794946b9c9ecde82c9d3e33a1 100644
--- a/src/clapper/rc.py
+++ b/src/clapper/rc.py
@@ -69,9 +69,7 @@ class UserDefaults(collections.abc.MutableMapping):
     def read(self) -> None:
         """Read configuration file, replaces any internal values."""
         if self.path.exists():
-            self.logger.debug(
-                "User configuration file exists, reading contents..."
-            )
+            self.logger.debug("User configuration file exists, reading contents...")
             self.data.clear()
 
             with self.path.open("rb") as f:
diff --git a/tests/test_click.py b/tests/test_click.py
index 1951ca6f2f80f3b6f336e081d3f00cc675e36ca2..c3980f43163ce256ab0dc615db295c754625885e 100644
--- a/tests/test_click.py
+++ b/tests/test_click.py
@@ -224,9 +224,7 @@ def test_config_dump2(tmp_path, datadir):
 
     runner = CliRunner()
     output = tmp_path / "test_dump.py"
-    result = runner.invoke(
-        test, ["test", "-H", str(output)], catch_exceptions=False
-    )
+    result = runner.invoke(test, ["test", "-H", str(output)], catch_exceptions=False)
 
     ref = datadir / "test_dump_config2.py"
     assert result.exit_code == 0
@@ -235,9 +233,7 @@ def test_config_dump2(tmp_path, datadir):
 
 def test_config_command_with_callback_options():
     @click.command(cls=ConfigCommand, entry_point_group="clapper.test.config")
-    @verbosity_option(
-        logging.getLogger(__name__), envvar="VERBOSE", cls=ResourceOption
-    )
+    @verbosity_option(logging.getLogger(__name__), envvar="VERBOSE", cls=ResourceOption)
     @click.pass_context
     def cli(ctx, **_):
         verbose = ctx.meta["verbose"]
diff --git a/tests/test_config.py b/tests/test_config.py
index 72beac7cb5d22cef1de5fb1d23ff8169c7b2f150..5536731626608b045722a437469dab421ff97e30 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -57,9 +57,7 @@ def test_config_with_module():
 
 
 def test_config_with_entry_point():
-    c = load(
-        ["first", "second", "complex"], entry_point_group="clapper.test.config"
-    )
+    c = load(["first", "second", "complex"], entry_point_group="clapper.test.config")
     assert hasattr(c, "a") and c.a == 1
     assert hasattr(c, "b") and c.b == 6
     assert hasattr(c, "cplx") and isinstance(c.cplx, dict)
@@ -173,9 +171,7 @@ def test_config_click_describe_error(cli_messages):
     runner = CliRunner()
     result = runner.invoke(cli, ["describe", "not-found"])
     assert result.exit_code == 0
-    assert (
-        "Cannot find configuration resource `not-found'" in messages.getvalue()
-    )
+    assert "Cannot find configuration resource `not-found'" in messages.getvalue()
 
 
 def test_config_click_copy(cli_messages, datadir, tmp_path):
@@ -193,7 +189,4 @@ def test_config_click_copy_error(cli_messages, datadir, tmp_path):
     dest = tmp_path / "file.py"
     result = runner.invoke(cli, ["copy", "firstx", str(dest)])
     assert result.exit_code == 0
-    assert (
-        "[ERROR] Cannot find configuration resource `firstx'"
-        in messages.getvalue()
-    )
+    assert "[ERROR] Cannot find configuration resource `firstx'" in messages.getvalue()