update pinning schema to latest stix2.1 commit and accept automate test changes

Author: ejratl

pinning-schema.md

@@ -12,6 +12,6 @@ Output confirms the schema 2.1 correct commit is pinned:
 Entering 'stix2validator/schemas-2.0'
 stix2validator/schemas-2.0 b155093705ab4934ee29e7ba4dc99ed053cd4e7f
 Entering 'stix2validator/schemas-2.1'
-stix2validator/schemas-2.1 4d010b385b83e53ea322357783ff3be3da5820fb
+stix2validator/schemas-2.1 c4f8d589acf2bdb3783655c89e0ffb6e150006ae
 
-Push from local to my repo (fork of Oasis) which then feeds the change to the PR on Oasis.  I've updated the comments in the PR to confirm.
+Push from local to my repo (fork of Oasis) which then feeds the change to the PR on Oasis.  I've updated the comments in the PR to confirm.

stix2validator/test/v21/observed_data_tests.py

@@ -649,32 +649,32 @@ def test_software_language(self):
 
     def test_software_language_iso639_compatibility(self):
         """Test that ISO 639-2 codes are accepted with warnings for backward compatibility"""
-        import logging
         import io
-        
+        import logging
+
         # Capture log output
         log_capture = io.StringIO()
         handler = logging.StreamHandler(log_capture)
         handler.setLevel(logging.WARNING)
         logger = logging.getLogger('stix2validator.v21.musts')
         logger.addHandler(handler)
         logger.setLevel(logging.WARNING)
-        
+
         observed_data = {
             "type": "software",
             "id": "software--ff1e0780-358c-5808-a8c7-d0fca4ef6ef4",
             "name": "word",
             "languages": ["eng"]  # ISO 639-2 code
         }
-        
+
         # Should be valid (backward compatibility)
         self.assertTrueWithOptions(observed_data)
-        
+
         # Should generate a warning
         log_output = log_capture.getvalue()
         self.assertIn("ISO 639-2 language code", log_output)
         self.assertIn("RFC 5646 language codes are preferred", log_output)
-        
+
         # Clean up
         logger.removeHandler(handler)