code: def test_no_write(self):
      with pytest.raises(OSError):
          self.c.write({})
  
imports: import unittest
  import re
  import pytest
  import fiona
  from .conftest import WGS84PATTERN
label_desc: Use image node_id 33 for calling the ReadingTest obj's underlying member method code with example usage: obj.test_no_write() without return types