(Question) AttributeError: 'Document' object has no attribute 'isClosed'

[ghost]

Operating system: Windows 10
Python version: 3.8.6
Error output:

Traceback (most recent call last):
File "pythonfilename.py", line 145, in
pdf_scan()
File "pythonfilename.py", line 44, in pdf_scan
doc = fitz.open(filename, 'rb')
File "C:\Users(username)\AppData\Local\Programs\Python\Python38\lib\site-packages\fitz\fitz.py", line 3033, in init
raise ValueError("bad type: 'stream'")
ValueError: bad type: 'stream'
Exception ignored in: <function Document.del at 0x000001D89CB8D310>
Traceback (most recent call last):
File "C:\Users(username)\AppData\Local\Programs\Python\Python38\lib\site-packages\fitz\fitz.py", line 4191, in del
self._reset_page_refs()
File "C:\Users(username)\AppData\Local\Programs\Python\Python38\lib\site-packages\fitz\fitz.py", line 4181, in _reset_page_refs
if self.isClosed:
AttributeError: 'Document' object has no attribute 'isClosed'

Please help me.

[JorjMcKie]

doc = fitz.open(filename, 'rb')

This is not one of the possible fitz.open() formats! See documentation.
So the document was not created and consequently cannot have several of its attributes.

[JorjMcKie]

Any more help required?
Just omit "rb" - and you should be fine.

[JorjMcKie]

closed for lack of reaction