R. David Murray added the comment:
pyodbc is not a part of the Python standard library. You'll need to seek
support from the pyodbc community for your problem. If you don't know how to
find them, I'd suggest posting to the python-list mailing list for help. (You
might want to do that
New submission from William Abdo:
PYODBC talk to Oracle under Windows 10.
I tried everything I could however, I was unable to make PYODBC talk to
Oracle 11g under Windows 10.
I have recently upgraded to Windows 10 and I have an issue with PYODBC
connecting to Oracle 11g.
It was working OK