LinuxQuestions.org - [SOLVED] ModuleNotFoundError: No module named 'html.entities'; 'html' is not a package (python3 error)

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ModuleNotFoundError: No module named 'html.entities'; 'html' is not a package (python3 error)

Hya,

Situation While converting python2 script to python3, I ran into this error.

Code:

ModuleNotFoundError: No module named 'html.entities'; 'html' is not a package

Steps to this error: With a good python2 script, it is converted to by 2to3, and minor modification (from . import foo -> import foo)
System: Debian amd64, python 3.9.1

Troubleshooting
Related 2to3 log follows:

Code:

-import htmlentitydefs

+import html.entities



-    for name, char in htmlentitydefs.entitydefs.items():

+    for name, char in list(html.entities.entitydefs.items()):

So, it may be related to 2to3. Errer occured at the import statement. No additional message at the end of diff output.

1.1 Several html.py files exist under /usr/lib/python3 ( /usr/lib/python3/dist-packages/IPython/html.py, /usr/lib/python3/dist-packages/humanfriendly/terminal/html.py, /usr/lib/python3/dist-packages/wx/html.py, /usr/lib/python3/dist-packages/pygments/formatters/html.py
/usr/lib/python3/dist-packages/pygments/lexers/html.py, /usr/lib/python3/dist-packages/prompt_toolkit/formatted_text/html.py)
1.2 It does not look like there is class/function/variable named entities. (I am not familiar with modulename.itemname. Tutorial section 6.1 says it is ok.)
2. This site mentions about this error.

I am a kind of lost at this moment. If the former scenario, the error message is not quite correct. If the latter, it is 5 years old bug/issue. I need to figure out what I am missing.

Question Does anybody know how to solve this?

Closing remark Have a happy penguin!

Any clue will be appreciated.

Hya,

self reply, not solved yet.

Under interactive mode

Code:

>>> import html.entities

>>>

It works. Is there anything like import order/incompatibility problem?

cheers

self reply.

It turned out to be that this problem is same as this one.

cheers

different python versions may (and should) have different PYTHONPATH settings and you need to install your modules using the appropriate one (including python2.X.Y and any python3.X.Y)
I guess mixing it is not a good idea (=using packages from another python version)
also python2to3 will not install modules for you (but modules installed for python2 will not be available any more).