Don't catch SystemExit in TracebackHandler

Author: domdfcoding

consolekit/tracebacks.py

@@ -57,6 +57,7 @@ class TracebackHandler:
 	* :exc:`EOFError`
 	* :exc:`KeyboardInterrupt`
 	* :exc:`click.ClickException`
+	* :exc:`SystemExit` (.. versionadded:: 1.1.2)
 
 	How these exceptions are handled can be changed, and supported can be added for
 	further exception classes by subclassing this class.
@@ -80,6 +81,9 @@ def handle_ClickException(self, e: click.ClickException) -> bool:  # noqa: D102
 	def handle_Abort(self, e: click.Abort) -> bool:  # noqa: D102
 		raise e
 
+	def handle_SystemExit(self, e: SystemExit) -> bool:  # noqa: D102
+		raise e
+
 	def handle_FileNotFoundError(self, e: FileNotFoundError) -> bool:  # noqa: D102
 
 		# this package

tests/test_tracebacks.py

@@ -93,7 +93,7 @@ def demo():
 	assert result.exit_code == 1
 
 
-@pytest.mark.parametrize("exception", [EOFError, KeyboardInterrupt, click.Abort])
+@pytest.mark.parametrize("exception", [EOFError, KeyboardInterrupt, click.Abort, SystemExit])
 @contextmanagers
 def test_handle_tracebacks_ignored_exceptions(
 		exception,