receiving a syntax error while loading the plugin

[muskan-v]

calibre, version 5.29.0
ERROR: Unhandled exception: SyntaxError:invalid syntax (calibre_plugins.dedrm.init, line 168)

calibre 5.29 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.19041 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.19041')
Python 3.8.5
Windows: ('10', '10.0.19041', '', 'Multiprocessor Free')
Interface language: None
Traceback (most recent call last):
File "calibre\gui2\preferences\plugins.py", line 327, in add_plugin
File "calibre\customize\ui.py", line 477, in add_plugin
File "calibre\customize\ui.py", line 65, in load_plugin
File "calibre\customize\zipplugin.py", line 293, in load
File "importlib_init_.py", line 127, in import_module
File "", line 1014, in _gcd_import
File "", line 991, in _find_and_load
File "", line 975, in _find_and_load_unlocked
File "", line 671, in _load_unlocked
File "calibre\customize\zipplugin.py", line 185, in exec_module
File "calibre\customize\zipplugin.py", line 181, in get_code
File "calibre_plugins.dedrm.init", line 168
print u"{0} v{1}: Copying needed library files from plugin's zip".format(PLUGIN_NAME, PLUGIN_VERSION)
^
SyntaxError: invalid syntax

[ElleKayEm]

Looks like you are trying to load an old version of DeDRM. Make sure you are loading DeDRM_plugin.zip from the current 7.2.1 version of the tools.

[muskan-v]

I tried that one as well but I am still receiving an error : and I saw inside zip file there was init file but still it shows this error
calibre, version 5.29.0
ERROR: Unhandled exception: InvalidPlugin:The plugin in 'C:\Users\manik\Downloads\DeDRM_tools-7.2.1\DeDRM_tools-7.2.1\DeDRM_plugin.zip' is invalid. It does not contain a top-level init.py file

calibre 5.29 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.19041 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.19041')
Python 3.8.5
Windows: ('10', '10.0.19041', '', 'Multiprocessor Free')
Interface language: None
Traceback (most recent call last):
File "calibre\gui2\preferences\plugins.py", line 327, in add_plugin
File "calibre\customize\ui.py", line 477, in add_plugin
File "calibre\customize\ui.py", line 65, in load_plugin
File "calibre\customize\zipplugin.py", line 284, in load
File "calibre\customize\zipplugin.py", line 379, in _locate_code
calibre.customize.InvalidPlugin: The plugin in 'C:\Users\manik\Downloads\DeDRM_tools-7.2.1\DeDRM_tools-7.2.1\DeDRM_plugin.zip' is invalid. It does not contain a top-level init.py file

[ElleKayEm]

Download this file: https://github.com/apprenticeharper/DeDRM_tools/releases/download/v7.2.1/DeDRM_tools_7.2.1.zip

Unzip it and load DeDRM_plugin.zip.