code: def test_handle_node_marker_dataspec_correctly(self) -> None:
      node_source = {"marker": ["square", "circle", "x"]}
  
      kw = bpg.get_graph_kwargs(node_source, {}, node_marker="marker")
  
      node_glyph = kw["node_renderer"].glyph
      assert isinstance(node_glyph, Scatter)
      assert node_glyph.marker == field("marker")
  
file_path: bokeh/tests/unit/bokeh/plotting/test__graph.py
imports: from __future__ import annotations
  import pytest
  import pandas
  from bokeh.core.properties import field
  from bokeh.models import ColumnDataSource, MultiLine, Scatter
  import bokeh.plotting._graph
label_desc: Use image node_id 5 for calling the Test_get_graph_kwargs obj's underlying member method code with example usage: obj.test_handle_node_marker_dataspec_correctly() without return types