code: def tmp_db_uri():
      with tmpfile() as f:
          yield "sqlite:///%s" % f
  
imports: from __future__ import annotations
  import io
  import sys
  from contextlib import contextmanager
  import pytest
  from dask.dataframe.io.sql import read_sql, read_sql_query, read_sql_table
  from dask.dataframe.utils import assert_eq, get_string_dtype
  from dask.utils import tmpfile
label_desc: Use image node_id 22 for calling a global function with example usage: tmp_db_uri() without return types