diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a0ee535..8927e46 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -2,7 +2,7 @@ default_language_version:
     python: python3
 repos:
   - repo: https://github.com/ambv/black
-    rev: stable
+    rev: 23.3.0
     hooks:
       - id: black
   - repo: https://github.com/pre-commit/pre-commit-hooks
@@ -10,6 +10,6 @@ repos:
     hooks:
       - id: flake8
   - repo: https://github.com/kynan/nbstripout
-    rev: 0.3.9
+    rev: 0.6.1
     hooks:
       - id: nbstripout
diff --git a/data_prototype/containers.py b/data_prototype/containers.py
index 7575c97..4d87446 100644
--- a/data_prototype/containers.py
+++ b/data_prototype/containers.py
@@ -117,7 +117,9 @@ def query(
         coord_transform: _MatplotlibTransform,
         size: Tuple[int, int],
     ) -> Tuple[Dict[str, Any], Union[str, int]]:
-        return {k: np.random.randn(*d.shape) for k, d in self._desc.items()}, str(uuid.uuid4())
+        return {k: np.random.randn(*d.shape) for k, d in self._desc.items()}, str(
+            uuid.uuid4()
+        )
 
     def describe(self) -> Dict[str, Desc]:
         return dict(self._desc)
@@ -127,9 +129,15 @@ class FuncContainer:
     def __init__(
         self,
         # TODO: is this really the best spelling?!
-        xfuncs: Optional[Dict[str, Tuple[Tuple[Union[str, int], ...], Callable[[Any], Any]]]] = None,
-        yfuncs: Optional[Dict[str, Tuple[Tuple[Union[str, int], ...], Callable[[Any], Any]]]] = None,
-        xyfuncs: Optional[Dict[str, Tuple[Tuple[Union[str, int], ...], Callable[[Any, Any], Any]]]] = None,
+        xfuncs: Optional[
+            Dict[str, Tuple[Tuple[Union[str, int], ...], Callable[[Any], Any]]]
+        ] = None,
+        yfuncs: Optional[
+            Dict[str, Tuple[Tuple[Union[str, int], ...], Callable[[Any], Any]]]
+        ] = None,
+        xyfuncs: Optional[
+            Dict[str, Tuple[Tuple[Union[str, int], ...], Callable[[Any, Any], Any]]]
+        ] = None,
     ):
         """
         A container that wraps several functions.  They are split into 3 categories:
@@ -274,7 +282,10 @@ def query(
         coord_transform: _MatplotlibTransform,
         size: Tuple[int, int],
     ) -> Tuple[Dict[str, Any], Union[str, int]]:
-        return {self._index_name: self._data.index.values, self._col_name: self._data.values}, self._hash_key
+        return {
+            self._index_name: self._data.index.values,
+            self._col_name: self._data.values,
+        }, self._hash_key
 
     def describe(self) -> Dict[str, Desc]:
         return dict(self._desc)
diff --git a/data_prototype/conversion_node.py b/data_prototype/conversion_node.py
index fefc8bd..834896c 100644
--- a/data_prototype/conversion_node.py
+++ b/data_prototype/conversion_node.py
@@ -50,7 +50,9 @@ def from_nodes(cls, *nodes: ConversionNode, trim_keys=False):
         return cls(required, tuple(output), trim_keys, nodes)
 
     def evaluate(self, input: dict[str, Any]) -> dict[str, Any]:
-        return super().evaluate({k: v for n in self.nodes for k, v in n.evaluate(input).items()})
+        return super().evaluate(
+            {k: v for n in self.nodes for k, v in n.evaluate(input).items()}
+        )
 
 
 @dataclass
@@ -66,7 +68,9 @@ def from_mapping(cls, mapping: dict[str, str], trim_keys=False):
         return cls(required, tuple(output), trim_keys, mapping)
 
     def evaluate(self, input: dict[str, Any]) -> dict[str, Any]:
-        return super().evaluate({**input, **{out: input[inp] for (inp, out) in self.mapping.items()}})
+        return super().evaluate(
+            {**input, **{out: input[inp] for (inp, out) in self.mapping.items()}}
+        )
 
 
 @dataclass
@@ -91,7 +95,10 @@ def evaluate(self, input: dict[str, Any]) -> dict[str, Any]:
         return super().evaluate(
             {
                 **input,
-                **{k: func(**{p: input[p] for p in sig.parameters}) for (k, (func, sig)) in self._sigs.items()},
+                **{
+                    k: func(**{p: input[p] for p in sig.parameters})
+                    for (k, (func, sig)) in self._sigs.items()
+                },
             }
         )
 
diff --git a/data_prototype/patches.py b/data_prototype/patches.py
index d993f2f..b062024 100644
--- a/data_prototype/patches.py
+++ b/data_prototype/patches.py
@@ -50,7 +50,11 @@ def __init__(self, data: DataContainer, converters=None, /, **kwargs):
 
     @_stale_wrapper
     def draw(self, renderer):
-        self._update_wrapped(self._query_and_transform(renderer, xunits=self._xunits, yunits=self._yunits))
+        self._update_wrapped(
+            self._query_and_transform(
+                renderer, xunits=self._xunits, yunits=self._yunits
+            )
+        )
         return self._wrapped_instance.draw(renderer)
 
     def _update_wrapped(self, data):
@@ -75,7 +79,14 @@ class RectangleWrapper(PatchWrapper):
     )
     _xunits = ("x", "width")
     _yunits = ("y", "height")
-    required_keys = PatchWrapper.required_keys | {"x", "y", "width", "height", "angle", "rotation_point"}
+    required_keys = PatchWrapper.required_keys | {
+        "x",
+        "y",
+        "width",
+        "height",
+        "angle",
+        "rotation_point",
+    }
 
     def _update_wrapped(self, data):
         for k, v in data.items():
diff --git a/data_prototype/tests/test_containers.py b/data_prototype/tests/test_containers.py
index 4fadefb..fb2fc7d 100644
--- a/data_prototype/tests/test_containers.py
+++ b/data_prototype/tests/test_containers.py
@@ -10,7 +10,9 @@
 
 @pytest.fixture
 def ac():
-    return containers.ArrayContainer(a=np.arange(5), b=np.arange(42, dtype=float).reshape(6, 7))
+    return containers.ArrayContainer(
+        a=np.arange(5), b=np.arange(42, dtype=float).reshape(6, 7)
+    )
 
 
 def _verify_describe(container):
diff --git a/data_prototype/wrappers.py b/data_prototype/wrappers.py
index e447e63..14ac51c 100644
--- a/data_prototype/wrappers.py
+++ b/data_prototype/wrappers.py
@@ -12,7 +12,10 @@
 from matplotlib.patches import StepPatch as _StepPatch
 from matplotlib.text import Text as _Text
 import matplotlib.transforms as mtransforms
-from matplotlib.collections import LineCollection as _LineCollection, PathCollection as _PathCollection
+from matplotlib.collections import (
+    LineCollection as _LineCollection,
+    PathCollection as _PathCollection,
+)
 from matplotlib.artist import Artist as _Artist
 
 from data_prototype.containers import DataContainer, _MatplotlibTransform
@@ -60,7 +63,9 @@ def identity(**kwargs):
         (_,) = kwargs.values()
         return _
 
-    identity.__signature__ = inspect.Signature([inspect.Parameter(k, inspect.Parameter.POSITIONAL_OR_KEYWORD)])
+    identity.__signature__ = inspect.Signature(
+        [inspect.Parameter(k, inspect.Parameter.POSITIONAL_OR_KEYWORD)]
+    )
     return identity
 
 
@@ -116,7 +121,9 @@ def draw(self, renderer):
     def _update_wrapped(self, data):
         raise NotImplementedError
 
-    def _query_and_transform(self, renderer, *, xunits: List[str], yunits: List[str]) -> Dict[str, Any]:
+    def _query_and_transform(
+        self, renderer, *, xunits: List[str], yunits: List[str]
+    ) -> Dict[str, Any]:
         """
         Helper to centralize the data querying and python-side transforms
 
@@ -152,7 +159,9 @@ def _query_and_transform(self, renderer, *, xunits: List[str], yunits: List[str]
         self._cache[cache_key] = transformed_data
         return transformed_data
 
-    def __init__(self, data, converters: ConversionNode | list[ConversionNode] | None, **kwargs):
+    def __init__(
+        self, data, converters: ConversionNode | list[ConversionNode] | None, **kwargs
+    ):
         super().__init__(**kwargs)
         self.data = data
         self._cache = LFUCache(64)
@@ -180,9 +189,18 @@ def __getattr__(self, key):
         return getattr(self._wrapped_instance, key)
 
     def __setattr__(self, key, value):
-        if key in ("_wrapped_instance", "data", "_cache", "_converters", "stale", "_sigs"):
+        if key in (
+            "_wrapped_instance",
+            "data",
+            "_cache",
+            "_converters",
+            "stale",
+            "_sigs",
+        ):
             super().__setattr__(key, value)
-        elif hasattr(self, "_wrapped_instance") and hasattr(self._wrapped_instance, key):
+        elif hasattr(self, "_wrapped_instance") and hasattr(
+            self._wrapped_instance, key
+        ):
             setattr(self._wrapped_instance, key, value)
         else:
             super().__setattr__(key, value)
@@ -190,13 +208,24 @@ def __setattr__(self, key, value):
 
 class LineWrapper(ProxyWrapper):
     _wrapped_class = _Line2D
-    _privtized_methods = ("set_xdata", "set_ydata", "set_data", "get_xdata", "get_ydata", "get_data")
+    _privtized_methods = (
+        "set_xdata",
+        "set_ydata",
+        "set_data",
+        "get_xdata",
+        "get_ydata",
+        "get_data",
+    )
     required_keys = {"x", "y"}
 
     def __init__(self, data: DataContainer, converters=None, /, **kwargs):
         super().__init__(data, converters)
-        self._wrapped_instance = self._wrapped_class(np.array([]), np.array([]), **kwargs)
-        self._converters.insert(-1, RenameConversionNode.from_mapping({"x": "xdata", "y": "ydata"}))
+        self._wrapped_instance = self._wrapped_class(
+            np.array([]), np.array([]), **kwargs
+        )
+        self._converters.insert(
+            -1, RenameConversionNode.from_mapping({"x": "xdata", "y": "ydata"})
+        )
         setters = [f[4:] for f in dir(self._wrapped_class) if f.startswith("set_")]
         self._converters[-1] = LimitKeysConversionNode.from_keys(setters)
 
@@ -252,7 +281,9 @@ class ImageWrapper(ProxyWrapper):
     _wrapped_class = _AxesImage
     required_keys = {"xextent", "yextent", "image"}
 
-    def __init__(self, data: DataContainer, converters=None, /, cmap=None, norm=None, **kwargs):
+    def __init__(
+        self, data: DataContainer, converters=None, /, cmap=None, norm=None, **kwargs
+    ):
         converters = converters or []
         if cmap is not None or norm is not None:
             if converters is not None and "image" in converters:
@@ -261,7 +292,11 @@ def __init__(self, data: DataContainer, converters=None, /, cmap=None, norm=None
                 cmap = mpl.colormaps["viridis"]
             if norm is None:
                 raise ValueError("not sure how to do autoscaling yet")
-            converters.append(FunctionConversionNode.from_funcs({"image": lambda image: cmap(norm(image))}))
+            converters.append(
+                FunctionConversionNode.from_funcs(
+                    {"image": lambda image: cmap(norm(image))}
+                )
+            )
         super().__init__(data, converters)
         kwargs.setdefault("origin", "lower")
         self._wrapped_instance = self._wrapped_class(None, **kwargs)
@@ -341,7 +376,9 @@ def __setattr__(self, key, value):
             super().__setattr__(key, value)
         if hasattr(self, "_wrapped_instances"):
             # We can end up with out wrapped instance as part of init
-            children_have_attrs = [hasattr(c, key) for c in self._wrapped_instances.values()]
+            children_have_attrs = [
+                hasattr(c, key) for c in self._wrapped_instances.values()
+            ]
             if any(children_have_attrs):
                 if not all(children_have_attrs):
                     raise Exception("mixed attributes 😱")
@@ -356,7 +393,9 @@ def get_children(self):
 
 class ErrorbarWrapper(MultiProxyWrapper):
     required_keys = {"x", "y"}
-    expected_keys = {f"{axis}{dirc}" for axis in ["x", "y"] for dirc in ["upper", "lower"]}
+    expected_keys = {
+        f"{axis}{dirc}" for axis in ["x", "y"] for dirc in ["upper", "lower"]
+    }
 
     def __init__(self, data: DataContainer, converters=None, /, **kwargs):
         super().__init__(data, converters)
@@ -387,7 +426,9 @@ def __init__(self, data: DataContainer, converters=None, /, **kwargs):
     def draw(self, renderer):
         self._update_wrapped(
             self._query_and_transform(
-                renderer, xunits=["x", "xupper", "xlower"], yunits=["y", "yupper", "ylower"]
+                renderer,
+                xunits=["x", "xupper", "xlower"],
+                yunits=["y", "yupper", "ylower"],
             ),
         )
         for k, v in self._wrapped_instances.items():
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 03e060d..c6fc468 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -166,7 +166,11 @@ def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf, **kwargs):
 #
 html_logo = "_static/logo2.svg"
 html_theme_options = {
-    "logo": {"link": "index", "image_light": "images/logo2.svg", "image_dark": "images/logo_dark.svg"},
+    "logo": {
+        "link": "index",
+        "image_light": "images/logo2.svg",
+        "image_dark": "images/logo_dark.svg",
+    },
 }
 
 # Add any paths that contain custom static files (such as style sheets) here,
@@ -214,7 +218,13 @@ def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf, **kwargs):
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
-    (master_doc, "data_prototype.tex", "data_prototype Documentation", "Contributors", "manual"),
+    (
+        master_doc,
+        "data_prototype.tex",
+        "data_prototype Documentation",
+        "Contributors",
+        "manual",
+    ),
 ]
 
 
@@ -222,7 +232,9 @@ def matplotlib_reduced_latex_scraper(block, block_vars, gallery_conf, **kwargs):
 
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
-man_pages = [(master_doc, "data_prototype", "data_prototype Documentation", [author], 1)]
+man_pages = [
+    (master_doc, "data_prototype", "data_prototype Documentation", [author], 1)
+]
 
 
 # -- Options for Texinfo output -------------------------------------------
diff --git a/examples/2Dfunc.py b/examples/2Dfunc.py
index 623a7d1..deaad36 100644
--- a/examples/2Dfunc.py
+++ b/examples/2Dfunc.py
@@ -21,7 +21,10 @@
     xyfuncs={
         "xextent": ((2,), lambda x, y: [x[0], x[-1]]),
         "yextent": ((2,), lambda x, y: [y[0], y[-1]]),
-        "image": (("N", "M"), lambda x, y: np.sin(x).reshape(1, -1) * np.cos(y).reshape(-1, 1)),
+        "image": (
+            ("N", "M"),
+            lambda x, y: np.sin(x).reshape(1, -1) * np.cos(y).reshape(-1, 1),
+        ),
     },
 )
 norm = Normalize(vmin=-1, vmax=1)
diff --git a/examples/data_frame.py b/examples/data_frame.py
index 00eaff7..19f8392 100644
--- a/examples/data_frame.py
+++ b/examples/data_frame.py
@@ -16,7 +16,9 @@
 
 th = np.linspace(0, 4 * np.pi, 256)
 
-dc1 = DataFrameContainer(pd.DataFrame({"x": th, "y": np.cos(th)}), index_name=None, col_names=lambda n: n)
+dc1 = DataFrameContainer(
+    pd.DataFrame({"x": th, "y": np.cos(th)}), index_name=None, col_names=lambda n: n
+)
 
 df = pd.DataFrame(
     {
diff --git a/examples/errorbar.py b/examples/errorbar.py
index 6e0451e..fcf03ff 100644
--- a/examples/errorbar.py
+++ b/examples/errorbar.py
@@ -21,7 +21,9 @@
 xupper = x + 0.5
 xlower = x - 0.5
 
-ac = ArrayContainer(x=x, y=y, yupper=yupper, ylower=ylower, xlower=xlower, xupper=xupper)
+ac = ArrayContainer(
+    x=x, y=y, yupper=yupper, ylower=ylower, xlower=xlower, xupper=xupper
+)
 
 
 fig, ax = plt.subplots()
diff --git a/examples/hist.py b/examples/hist.py
index 1853862..4fd45d3 100644
--- a/examples/hist.py
+++ b/examples/hist.py
@@ -13,7 +13,9 @@
 from data_prototype.wrappers import StepWrapper
 from data_prototype.containers import HistContainer
 
-hc = HistContainer(np.concatenate([np.random.randn(5000), 0.1 * np.random.randn(500) + 5]), 25)
+hc = HistContainer(
+    np.concatenate([np.random.randn(5000), 0.1 * np.random.randn(500) + 5]), 25
+)
 
 
 fig, (ax1, ax2) = plt.subplots(1, 2, layout="constrained")
diff --git a/examples/lissajous.py b/examples/lissajous.py
index 0a9c710..6563e31 100644
--- a/examples/lissajous.py
+++ b/examples/lissajous.py
@@ -46,7 +46,9 @@ def query(
     ) -> Tuple[Dict[str, Any], Union[str, int]]:
         def next_time():
             cur_time = time.time()
-            cur_time = np.array([cur_time, cur_time - 0.1, cur_time - 0.2, cur_time - 0.3])
+            cur_time = np.array(
+                [cur_time, cur_time - 0.1, cur_time - 0.2, cur_time - 0.3]
+            )
 
             phase = 15 * np.pi * (self.scale * cur_time % 60) / 150
             marker_obj = mmarkers.MarkerStyle("o")
@@ -54,7 +56,9 @@ def next_time():
                 "x": np.cos(5 * phase),
                 "y": np.sin(3 * phase),
                 "sizes": np.array([256]),
-                "paths": [marker_obj.get_path().transformed(marker_obj.get_transform())],
+                "paths": [
+                    marker_obj.get_path().transformed(marker_obj.get_transform())
+                ],
                 "edgecolors": "k",
                 "facecolors": ["#4682b4ff", "#82b446aa", "#46b48288", "#8246b433"],
                 "time": cur_time[0],
diff --git a/examples/widgets.py b/examples/widgets.py
index 32a824f..cfa25e3 100644
--- a/examples/widgets.py
+++ b/examples/widgets.py
@@ -35,7 +35,9 @@ def get_needed_keys(f, offset=1):
                     s,
                     # this line binds the correct sliders to the functions
                     # and makes lambdas that match the API FuncContainer needs
-                    lambda x, keys=get_needed_keys(f), f=f: f(x, *(sliders[k].val for k in keys)),
+                    lambda x, keys=get_needed_keys(f), f=f: f(
+                        x, *(sliders[k].val for k in keys)
+                    ),
                 )
                 for k, (s, f) in xfuncs.items()
             },
@@ -104,7 +106,8 @@ def _query_hash(self, coord_transform, size):
         "y": (
             ("N",),
             # the y data needs all three sliders
-            lambda t, amplitude, frequency, phase: amplitude * np.sin(2 * np.pi * frequency * t + phase),
+            lambda t, amplitude, frequency, phase: amplitude
+            * np.sin(2 * np.pi * frequency * t + phase),
         ),
         # the color data has to take the x (because reasons), but just
         # needs the phase
@@ -118,7 +121,9 @@ def _query_hash(self, coord_transform, size):
 lw = LineWrapper(
     fc,
     # color map phase (scaled to 2pi and wrapped to [0, 1])
-    FunctionConversionNode.from_funcs({"color": lambda color: cmap((color / (2 * np.pi)) % 1)}),
+    FunctionConversionNode.from_funcs(
+        {"color": lambda color: cmap((color / (2 * np.pi)) % 1)}
+    ),
     lw=5,
 )
 ax.add_artist(lw)
@@ -127,6 +132,8 @@ def _query_hash(self, coord_transform, size):
 # Create a `matplotlib.widgets.Button` to reset the sliders to initial values.
 resetax = fig.add_axes([0.8, 0.025, 0.1, 0.04])
 button = Button(resetax, "Reset", hovercolor="0.975")
-button.on_clicked(lambda event: [sld.reset() for sld in (freq_slider, amp_slider, phase_slider)])
+button.on_clicked(
+    lambda event: [sld.reset() for sld in (freq_slider, amp_slider, phase_slider)]
+)
 
 plt.show()
diff --git a/pyproject.toml b/pyproject.toml
index 3239179..8ce676f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [tool.black]
-line-length = 115
+line-length = 88
 include = '\.pyi?$'
 exclude = '''
 /(
diff --git a/setup.py b/setup.py
index f164436..3e0bc45 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,11 @@
 
 with open(path.join(here, "requirements.txt")) as requirements_file:
     # Parse requirements.txt, ignoring any commented-out lines.
-    requirements = [line for line in requirements_file.read().splitlines() if not line.startswith("#")]
+    requirements = [
+        line
+        for line in requirements_file.read().splitlines()
+        if not line.startswith("#")
+    ]
 
 
 setup(