d490387c6f8b18242e57355d7f8f09ec18c980c5,bokeh/embed.py,,components,#Any#Any#Any#,52

Before Change

    // 2) Do our rendering

    with _ModelInDocument(models):
        (docs_json, render_items) = _standalone_docs_json_and_render_items(models)

    script = _script_for_render_items(docs_json, render_items, websocket_url=None, wrap_script=wrap_script)

After Change

    existing_docs = set(m if isinstance(m, Document) else m.document for m in models)
    existing_docs.discard(None)

    if len(existing_docs) == 0:
        // no existing docs, make a new one
        doc = Document()
    elif len(existing_docs) == 1:
        // all existing docs are the same, use that one
        doc = existing_docs.pop()
    else:
        // conflicting/multiple docs, raise an error
        msg = ("Multiple items in models conatain documents or are "
               "themselves documents. (Models must be owned by only a "
               "single document). This may indicate a usage error.")
        raise RuntimeError(msg)

    models_to_dedoc = _add_doc_to_models(doc, models)

    // 3) Do our rendering
    (docs_json, render_items) = _standalone_docs_json_and_render_items(models)

Instances