diff --git a/docs/conf.py b/docs/conf.py
index 28daf74f..ae117657 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -177,7 +177,6 @@ def field_type(field):
             return ctype
 
     class MystNbConfigDirective(_ConfigBase):
-
         required_arguments = 1
         option_spec = {
             "sphinx": directives.flag,
@@ -197,7 +196,6 @@ def run(self):
             text = self.table_header()
             count = 0
             for name, value, field in config.as_triple():
-
                 # filter by sphinx options
                 if "sphinx" in self.options and field.metadata.get("sphinx_exclude"):
                     continue
@@ -239,7 +237,6 @@ def run(self):
             return node.children
 
     class MystConfigDirective(_ConfigBase):
-
         option_spec = {
             "sphinx": directives.flag,
         }
@@ -250,7 +247,6 @@ def run(self):
             text = self.table_header()
             count = 0
             for name, value, field in config.as_triple():
-
                 # filter by sphinx options
                 if "sphinx" in self.options and field.metadata.get("sphinx_exclude"):
                     continue
diff --git a/myst_nb/core/execute/inline.py b/myst_nb/core/execute/inline.py
index c1b3b12a..06b53b07 100644
--- a/myst_nb/core/execute/inline.py
+++ b/myst_nb/core/execute/inline.py
@@ -34,7 +34,6 @@ class NotebookClientInline(NotebookClientBase):
     """
 
     def start_client(self):
-
         self._tmp_path = None
         if self.nb_config.execution_in_temp:
             self._tmp_path = mkdtemp()
@@ -114,12 +113,10 @@ def close_client(self, exc_type, exc_val, exc_tb):
     def code_cell_outputs(
         self, cell_index: int
     ) -> tuple[int | None, list[NotebookNode]]:
-
         cells = self.notebook.get("cells", [])
 
         # ensure all cells up to and including the requested cell have been executed
         while (not self._cell_error) and cell_index > self._last_cell_executed:
-
             self._last_cell_executed += 1
             try:
                 next_cell = cells[self._last_cell_executed]
diff --git a/myst_nb/core/nb_to_tokens.py b/myst_nb/core/nb_to_tokens.py
index 89bf8cba..c8e48f03 100644
--- a/myst_nb/core/nb_to_tokens.py
+++ b/myst_nb/core/nb_to_tokens.py
@@ -37,7 +37,6 @@ def notebook_to_tokens(
     # (required to collect all reference definitions, before assessing references).
     block_tokens = [Token("nb_initialise", "", 0, map=[0, 0])]
     for cell_index, nb_cell in enumerate(notebook.cells):
-
         # skip empty cells
         if len(nb_cell["source"].strip()) == 0:
             continue
diff --git a/myst_nb/core/read.py b/myst_nb/core/read.py
index a9d6c27b..ad011049 100644
--- a/myst_nb/core/read.py
+++ b/myst_nb/core/read.py
@@ -242,7 +242,6 @@ def _flush_markdown(start_line, token, md_metadata):
     md_metadata: dict = {}
 
     for token in tokens:
-
         nesting_level += token.nesting
 
         if nesting_level != 0:
diff --git a/myst_nb/core/render.py b/myst_nb/core/render.py
index 5a2c04f0..e28b856b 100644
--- a/myst_nb/core/render.py
+++ b/myst_nb/core/render.py
@@ -192,7 +192,6 @@ def render_nb_cell_code(self: SelfType, token: SyntaxTreeNode) -> None:
 
         self.add_line_and_source_path(cell_container, token)
         with self.current_node_context(cell_container, append=True):
-
             # render the code source code
             if not remove_input:
                 cell_input = nodes.container(
diff --git a/myst_nb/docutils_.py b/myst_nb/docutils_.py
index eeac7a32..9738a0f0 100644
--- a/myst_nb/docutils_.py
+++ b/myst_nb/docutils_.py
@@ -301,7 +301,6 @@ def _render_nb_cell_code_outputs(
                 self.add_line_and_source_path_r(_nodes, token)
                 self.current_node.extend(_nodes)
             elif output.output_type in ("display_data", "execute_result"):
-
                 # Note, this is different to the sphinx implementation,
                 # here we directly select a single output, based on the mime_priority,
                 # as opposed to output all mime types, and select in a post-transform
diff --git a/myst_nb/ext/glue/roles.py b/myst_nb/ext/glue/roles.py
index 94b96bb6..ee8a5b20 100644
--- a/myst_nb/ext/glue/roles.py
+++ b/myst_nb/ext/glue/roles.py
@@ -29,7 +29,6 @@ class PasteRoleAny(RoleBase):
     """
 
     def run(self) -> tuple[list[nodes.Node], list[nodes.system_message]]:
-
         # check if this is a pending reference
         doc_key = self.text.split("::", 1)
         if len(doc_key) == 2:
diff --git a/myst_nb/sphinx_.py b/myst_nb/sphinx_.py
index 588741c0..62bd9a7c 100644
--- a/myst_nb/sphinx_.py
+++ b/myst_nb/sphinx_.py
@@ -262,7 +262,6 @@ def _render_nb_cell_code_outputs(
                 self.add_line_and_source_path_r(_nodes, token)
                 self.current_node.extend(_nodes)
             elif output.output_type in ("display_data", "execute_result"):
-
                 # Note, this is different to the docutils implementation,
                 # where we directly select a single output, based on the mime_priority.
                 # Here, we do not know the mime priority until we know the output format
@@ -504,9 +503,7 @@ class HideInputCells(SphinxPostTransform):
     formats = ("html",)
 
     def run(self, **kwargs):
-
         for node in findall(self.document)(nodes.container):
-
             if (
                 node.get("nb_element") == "cell_code"
                 and node.get("hide_mode")