diff --git a/papyri/gen.py b/papyri/gen.py
index 44517883..87b60fac 100644
--- a/papyri/gen.py
+++ b/papyri/gen.py
@@ -48,7 +48,6 @@
 from rich.logging import RichHandler
 from rich.progress import BarColumn, Progress, TextColumn, track
 from there import print as print_
-from velin.examples_section_utils import InOut, splitblank, splitcode
 from matplotlib import _pylab_helpers
 
 from .common_ast import Node
@@ -88,10 +87,6 @@
 )
 from .vref import NumpyDocString
 
-# delayed import
-
-from .myst_ast import MText
-
 
 class ErrorCollector:
     def __init__(self, config: Config, log):
@@ -999,7 +994,6 @@ def _normalize_see_also(see_also: Section, qa: str):
     return new_see_also
 
 
-
 class PapyriDocTestRunner(doctest.DocTestRunner):
     def __init__(self, *args, gen, obj, qa, config, **kwargs):
         self.gen = gen
@@ -1021,10 +1015,14 @@ def __init__(self, *args, gen, obj, qa, config, **kwargs):
 
         self.figs = []
         self.fig_managers = _pylab_helpers.Gcf.get_all_fig_managers()
-        assert (len(self.fig_managers)) == 0, f"init fail in {self.qa} {len(self.fig_managers)}"
+        assert (
+            len(self.fig_managers)
+        ) == 0, f"init fail in {self.qa} {len(self.fig_managers)}"
 
     def _get_tok_entries(self, example):
-        entries = parse_script(example.source, ns=self.globs, prev="", config=self.config, where=self.qa)
+        entries = parse_script(
+            example.source, ns=self.globs, prev="", config=self.config, where=self.qa
+        )
         if entries is None:
             entries = [("jedi failed", "jedi failed")]
         entries = _add_classes(entries)
@@ -1040,7 +1038,6 @@ def _figure_names(self):
             sha = sha256(pat.encode()).hexdigest()[:8]
             yield f"{pat}-{sha}.png"
 
-
     def report_start(self, out, test, example):
         pass
 
@@ -1058,9 +1055,7 @@ def report_success(self, out, test, example, got):
         wait_for_show = self.config.wait_for_plt_show
         self.fig_managers = _pylab_helpers.Gcf.get_all_fig_managers()
         figs = []
-        if self.fig_managers and (
-            ("plt.show" in example.source) or not wait_for_show
-        ):
+        if self.fig_managers and (("plt.show" in example.source) or not wait_for_show):
             for fig, figname in zip(self.fig_managers, figure_names):
                 buf = io.BytesIO()
                 fig.canvas.figure.savefig(buf, dpi=300)  # , bbox_inches="tight"
@@ -1091,6 +1086,7 @@ def report_failure(self, out, test, example, got):
             Code(tok_entries, got, ExecutionStatus.failure)
         )
 
+
 class Gen:
     """
     Core class to generate docbundles for a given library.
@@ -1232,7 +1228,7 @@ def get_example_data(
         The capturing of matplotlib figures is also limited.
         """
         assert qa is not None
-        example_code = '\n'.join(example_section)
+        example_code = "\n".join(example_section)
         import matplotlib.pyplot as plt
 
         if qa in config.exclude_jedi:
@@ -1240,6 +1236,7 @@ def get_example_data(
             log.debug(f"Turning off type inference for func {qa!r}")
 
         sys_stdout = sys.stdout
+
         def dbg(*args):
             for arg in args:
                 sys_stdout.write(f"{arg}\n")
@@ -1266,7 +1263,6 @@ def dbg(*args):
             example_code, doctest_runner.globs, obj.__name__, filename, lineno
         )
 
-
         stdout = sys.stdout
 
         def debugprint(*args):
diff --git a/requirements-dev.txt b/requirements-dev.txt
index ef9c8106..b3c44218 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,6 @@ pytest
 pytest-cov
 flit
 matplotlib
-velin>=0.0.5
 pytest-trio
 tree_sitter
 coverage
diff --git a/requirements.txt b/requirements.txt
index 792dc91d..2325653b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,4 +12,3 @@ rich
 there
 tree_sitter
 typer
-velin