O.k. I found it out ... and, alas, 0.1.2. is not working under Calibre 4.23:
calibre, version 4.23.0
Code:
FEHLER: Unbehandelter Ausnahmefehler: <b>TypeError</b>:'encoding' is an invalid keyword argument for this function
calibre 4.23 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.19041-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.19041')
Python 2.7.16+
Windows: ('10', '10.0.19041', 'SP0', u'Multiprocessor Free')
Interface language: de
Successfully initialized third party plugins: Modify ePub (1, 5, 6) && KoboTouchExtended (3, 2, 15) && Kobo Utilities (2, 11, 5) && Resize Cover (1, 1, 0) && Hyphenate This! (0, 1, 2) && Count Pages (1, 10, 0) && KePub Output (3, 2, 15)
Traceback (most recent call last):
File "calibre_plugins.hyphenatethis.hyphenatethisaction", line 120, in hyphenate
File "calibre_plugins.hyphenatethis.hyphenatethisaction", line 94, in _select_books
File "calibre_plugins.hyphenatethis.hyphenator.hyphenator", line 174, in __init__
File "calibre_plugins.hyphenatethis.hyphenator.hyphenator", line 89, in __init__
TypeError: 'encoding' is an invalid keyword argument for this function