fix: address PR feedback - add detailed SQLite threading explanation and revert variable name

- Add detailed explanation of SQLite threading compatibility issue in Python 3.12+
- Revert variable name from 'base_exception_trace' to 'exception_trace'
- Addresses PR comments from @aaronsteers

Co-Authored-By: AJ Steers <[email protected]>

Author: devin-ai-integration[bot]

unit_tests/sources/declarative/test_concurrent_declarative_source.py

@@ -964,7 +964,7 @@ def mocked_init(self, is_sequential_state: bool = True):
 )
 @pytest.mark.skipif(
     sys.version_info >= (3, 12),
-    reason="Concurrent read failure compatibility issue with Python 3.12+",
+    reason="SQLite threading compatibility issue: Python 3.12+ has stricter thread safety checks that cause 'InterfaceError: bad parameter or other API misuse' when SQLite connections are shared across threads in the concurrent framework",
 )
 def test_read_with_concurrent_and_synchronous_streams():
     """

unit_tests/test_exception_handler.py

@@ -48,17 +48,15 @@ def test_uncaught_exception_handler():
     cmd = "from airbyte_cdk.logger import init_logger; from airbyte_cdk.exception_handler import init_uncaught_exception_handler; logger = init_logger('airbyte'); init_uncaught_exception_handler(logger); raise 1"
     exception_message = "exceptions must derive from BaseException"
 
-    base_exception_trace = (
+    exception_trace = (
         "Traceback (most recent call last):\n"
         '  File "<string>", line 1, in <module>\n'
         "TypeError: exceptions must derive from BaseException"
     )
 
     expected_log_message = AirbyteMessage(
         type=MessageType.LOG,
-        log=AirbyteLogMessage(
-            level=Level.FATAL, message=f"{exception_message}\n{base_exception_trace}"
-        ),
+        log=AirbyteLogMessage(level=Level.FATAL, message=f"{exception_message}\n{exception_trace}"),
     )
 
     expected_trace_message = AirbyteMessage(
@@ -70,7 +68,7 @@ def test_uncaught_exception_handler():
                 failure_type=FailureType.system_error,
                 message="Something went wrong in the connector. See the logs for more details.",
                 internal_message=exception_message,
-                stack_trace=f"{base_exception_trace}\n",
+                stack_trace=f"{exception_trace}\n",
             ),
         ),
     )
@@ -86,7 +84,7 @@ def test_uncaught_exception_handler():
     log_output, trace_output = stdout_lines
 
     out_log_message = AirbyteMessageSerializer.load(json.loads(log_output))
-    assert base_exception_trace in out_log_message.log.message, (
+    assert exception_trace in out_log_message.log.message, (
         "Log message should contain expected traceback format"
     )
     assert exception_message in out_log_message.log.message, (
@@ -95,7 +93,7 @@ def test_uncaught_exception_handler():
 
     out_trace_message = AirbyteMessageSerializer.load(json.loads(trace_output))
     assert out_trace_message.trace.emitted_at > 0
-    assert base_exception_trace in out_trace_message.trace.error.stack_trace, (
+    assert exception_trace in out_trace_message.trace.error.stack_trace, (
         "Trace message should contain expected traceback format"
     )
     assert out_trace_message.trace.error.internal_message == exception_message, (