code: def test_tinydb_reader_raises_exceptions(tmpdir):
      with pytest.raises(IOError):
          TinyDbReader("foo")
  
imports: from __future__ import division, print_function, unicode_literals, absolute_import
  import datetime
  import os
  import tempfile
  import io
  import pytest
  from tinydb import Query
  from sacred.dependencies import get_digest
  from sacred.observers.tinydb_hashfs import TinyDbObserver, TinyDbReader
label_desc: Use image node_id 5 for calling a global function with example usage: test_tinydb_reader_raises_exceptions(tmpdir) without return types