code: def test_skip_hover():
      df = px.data.iris()
      fig = px.scatter(
          df,
          x="petal_length",
          y="petal_width",
          size="species_id",
          hover_data={"petal_length": None, "petal_width": None},
      )
      assert (
          fig.data[0].hovertemplate
          == "species_id=%{marker.size}<extra></extra>"
      )
  
file_path: plotly.py/packages/python/plotly/plotly/tests/test_optional/test_px/test_px_hover.py
imports: import plotly.express
  import numpy
  import pandas
  import pytest
  from collections import OrderedDict
label_desc: Use image node_id 1 for calling a global function with example usage: test_skip_hover() without return types