ExcelDownloadPlugin does not work with 1.4.1

[laszlo.elbert@…]

Dear Colleagues,

After installation the plugin fails:

Trac detected an internal error:

ImportError: cannot import name NamedStyle

Python Traceback

Most recent call last:

    File "/usr/local/lib/python2.7/dist-packages/trac/web/main.py", line 639 , in dispatch_request
    File "/usr/local/lib/python2.7/dist-packages/trac/web/main.py", line 252 , in dispatch
    File "/usr/local/lib/python2.7/dist-packages/trac/web/main.py", line 495 , in _post_process_request
    File "build/bdist.linux-i686/egg/tracexceldownload/ticket.py", line 419 , in post_process_request
    File "build/bdist.linux-i686/egg/tracexceldownload/ticket.py", line 425 , in _convert_report
    File "build/bdist.linux-i686/egg/tracexceldownload/api.py", line 60 , in get_workbook_writer
    File "build/bdist.linux-i686/egg/tracexceldownload/api.py", line 204 , in __init__
    File "build/bdist.linux-i686/egg/tracexceldownload/api.py", line 113 , in __init__
    File "build/bdist.linux-i686/egg/tracexceldownload/api.py", line 216 , in _get_excel_styles 

[Jun Omae]

That's an installationn issue. Your installed openpyxl is broken.

The NamedStyle is available on fresh installation.

$ /dev/shm/t13781/bin/pip install openpyxl
DEPRECATION: Python 2.7 reached the end of its life on January 1st, 2020. Please upgrade your Python as Python 2.7 is no longer maintained. A future version of pip will drop support for Python 2.7. More details about Python 2 support in pip, can be found at https://pip.pypa.io/en/latest/development/release-process/#python-2-support
...
Collecting jdcal
  Using cached jdcal-1.4.1-py2.py3-none-any.whl (9.5 kB)
Installing collected packages: et-xmlfile, jdcal, openpyxl
Successfully installed et-xmlfile-1.0.1 jdcal-1.4.1 openpyxl-2.6.4

$ /dev/shm/t13781/bin/python
Python 2.7.12 (default, Oct  8 2019, 14:14:10)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import openpyxl
>>> openpyxl.__version__
'2.6.4'
>>> from openpyxl.styles import NamedStyle
>>> NamedStyle
<class 'openpyxl.styles.named_styles.NamedStyle'>
>>> 

[laszlo.elbert@…]

Thanks for the resolution. I had to remove all dependencies and reinstall. It works now. Thanks for looking. Best Laszlo