add documentation for progress_func only working on BNDB files

1 files changed, 3 insertions, 1 deletions

diff --git a/python/__init__.py b/python/__init__.py
index f9f8b2cb..9133fbe4 100644
--- a/python/__init__.py
+++ b/python/__init__.py
@@ -397,7 +397,7 @@ def load(*args, **kwargs) -> BinaryView:
 
 	:param Union[str, bytes, bytearray, 'databuffer.DataBuffer', 'os.PathLike'] source: a file or byte stream to load into a virtual memory space
 	:param bool update_analysis: whether or not to run :func:`update_analysis_and_wait` after opening a :py:class:`BinaryView`, defaults to ``True``
-	:param callback progress_func: optional function to be called with the current progress and total count
+	:param callback progress_func: optional function to be called with the current progress and total count for BNDB files only
 	:param dict options: a dictionary in the form {setting identifier string : object value}
 	:return: returns a :py:class:`BinaryView` object for the given filename
 	:rtype: :py:class:`BinaryView`
@@ -405,6 +405,8 @@ def load(*args, **kwargs) -> BinaryView:
 
 	.. note:: The progress_func callback **must** return True to continue the load operation, False will abort the load operation.
 
+	.. warning:: The progress_func will **only** be called for BNDB files, not for any other file format due to a `design limitation <https://docs.binary.ninja/guide/debugger/index.html#navigating-the-binary>`_.
+
 	:Example:
 		>>> from binaryninja import *
 		>>> with load("/bin/ls") as bv: