fix: handle SyntaxError for minify_html_onepass (#56)

* fix: handle SyntaxError for minify_html_onepass

https://readthedocs.org/projects/dpdata/builds/24380201/

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

deepmodeling_sphinx/inject.py

@@ -120,7 +120,12 @@ def minify_html_files(app, pagename, templatename, context, doctree):
 
         def render(self, template, render_context):
             content = old_render(template, render_context)
-            return minify_html_onepass.minify(content, minify_js=True)
+            try:
+                return minify_html_onepass.minify(
+                    content, minify_js=True, minify_css=True
+                )
+            except SyntaxError:
+                return content
 
         render.__dict__.update(old_render.__dict__)
         render._deepmodeling_minified = True