Traceback (most recent call last):


 "C:\Users\oliver.horvath\venv\pywinautogithub\lib\site-packages\pywinauto\uia_defines.py", line 232, in get_elem_interface

iface = cur_ptrn.QueryInterface(cls_name)


 "C:\Users\oliver.horvath\venv\pywinautogithub\lib\site-packages\comtypes\__init__.py", line 1158, in QueryInterface

self.__com_QueryInterface(byref(iid), byref(p))
ValueError: NULL COM pointer access

Traceback (most recent call last):


 "pdfminer_repro.py", line 7, in <module>

high_level.extract_text_to_fp(f, io.BytesIO())


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/high_level.py", line 79, in extract_text_to_fp

for page in PDFPage.get_pages(inf,


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/pdfpage.py", line 128, in get_pages

doc = PDFDocument(parser, password=password, caching=caching)


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/pdfdocument.py", line 572, in __init__

self.read_xref_from(parser, pos, self.xrefs)


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/pdfdocument.py", line 815, in read_xref_from

xref.load(parser)


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/pdfdocument.py", line 241, in load

self.data = stream.get_data()


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/pdftypes.py", line 319, in get_data

self.decode()


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/pdftypes.py", line 308, in decode

data = apply_png_predictor(pred, colors, columns,


 "/home/user/.local/lib/python3.8/site-packages/pdfminer/utils.py", line 115, in apply_png_predictor

raise ValueError("Unsupported predictor value: %d" % ft)
ValueError: Unsupported predictor value: 228
