fix(nbconvert2): monkey patch partially functional clean_html

details at jupyter/nbconvert#1894

mkdocs_jupyter/nbconvert2.py

@@ -12,6 +12,7 @@
 import jupytext
 import mistune
 from nbconvert.exporters import HTMLExporter, MarkdownExporter
+from nbconvert.exporters.templateexporter import default_filters
 from nbconvert.filters.highlight import _pygments_highlight
 from nbconvert.filters.markdown_mistune import (
     IPythonRenderer,
@@ -99,6 +100,13 @@ def nb2html(
         # "markdown2html": custom_markdown2html,
     }
 
+    # Ensures SVG rendered with data and rdkit exit with NOOP
+    # Source: https://github.com/jupyter/nbconvert/issues/1894#issuecomment-1334355109
+    def custom_clean_html(element):
+        return element.decode() if isinstance(element, bytes) else str(element)
+
+    default_filters["clean_html"] = custom_clean_html
+
     exporter = HTMLExporter(
         config=app.config,
         template_file=template_file,