fix versionadded annotations
@@ -127,8 +127,6 @@ def explore(
DXFStructureError: for invalid or corrupted DXF structures
UnicodeDecodeError: if `errors` is "strict" and a decoding error occurs
- .. versionadded: 0.15
-
"""
filename = str(filename)
with open(filename, mode="rb") as fp:
