added docstring

llmfoundry/utils/mosaicml_logger_utils.py

@@ -38,6 +38,7 @@ def maybe_create_mosaicml_logger() -> Optional[MosaicMLLogger]:
 
 
 def no_override_excepthook() -> bool:
+    """Returns True if the excepthook flag is off. This means we are not automatically catching exceptions for MosaicMl runs."""
     return os.environ.get(
         'OVERRIDE_EXCEPTHOOK',
         'false',