code: def test_empty_repr():
      pytest.importorskip("jinja2")
      df = pd.DataFrame()
      ddf = dd.from_pandas(df, npartitions=1)
      exp = (
          "Empty Dask DataFrame Structure:\n"
          "Columns: []\n"
          "Divisions: [, ]\n"
          "Dask Name: from_pandas, 1 graph layer"
      )
      assert repr(ddf) == exp
      exp_table = """<table border="1" class="dataframe">
    <thead>
      <tr style="text-align: right;">
        <th></th>
      </tr>
      <tr>
        <th>npartitions=1</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <th></th>
      </tr>
      <tr>
        <th></th>
      </tr>
    </tbody>
  </table>"""
      exp = """<div><strong>Dask DataFrame Structure:</strong></div>
  <div>
  {style}{exp_table}
  </div>
  <div>Dask Name: from_pandas, 1 graph layer</div>""".format(
          style=style, exp_table=exp_table
      )
      assert ddf._repr_html_() == exp
  
imports: from __future__ import annotations
  from textwrap import dedent
  import numpy
  import pandas
  import pytest
  import dask.array
  import dask.dataframe
  from dask.dataframe.utils import get_string_dtype, pyarrow_strings_enabled
  from dask.utils import maybe_pluralize
label_desc: Use image node_id 14 for calling a global function with example usage: test_empty_repr() without return types