Description: Many Gedit plugins are not available for being enabled (i.e. grayed in the plugins tab in the preferences dialog).

Additional info:
* package version(s): gedit 2.24.3-1, pygtksourceview2-2.4.0.1
* config and/or log files etc.

$ LC_ALL=C LANG=C gedit
ImportError: could not import gtksourceview

** (gedit:19790): WARNING **: Error initializing Python interpreter: could not import pygtksourceview.

** (gedit:19790): WARNING **: Please check the installation of all the Python related packages required by gedit and try again.

** (gedit:19790): WARNING **: Cannot load Python plugin 'Python Console' since gedit was not able to initialize the Python interpreter.

** (gedit:19790): CRITICAL **: gedit_python_module_load: assertion `Py_IsInitialized ()' failed

** (gedit:19790): WARNING **: Cannot load plugin 'pythonconsole' since file '/usr/lib/gedit-2/plugins' cannot be read.

** (gedit:19790): WARNING **: Cannot load Python plugin 'External Tools' since gedit was not able to initialize the Python interpreter.

** (gedit:19790): CRITICAL **: gedit_python_module_load: assertion `Py_IsInitialized ()' failed

** (gedit:19790): WARNING **: Cannot load plugin 'externaltools' since file '/usr/lib/gedit-2/plugins' cannot be read.

** (gedit:19790): WARNING **: Cannot load Python plugin 'Devhelp support' since gedit was not able to initialize the Python interpreter.

** (gedit:19790): CRITICAL **: gedit_python_module_load: assertion `Py_IsInitialized ()' failed

** (gedit:19790): WARNING **: Cannot load plugin 'devhelp' since file '/usr/lib/gedit-2/plugins' cannot be read.

** (gedit:19790): WARNING **: Cannot load Python plugin 'Embedded Terminal' since gedit was not able to initialize the Python interpreter.

** (gedit:19790): CRITICAL **: gedit_python_module_load: assertion `Py_IsInitialized ()' failed

** (gedit:19790): WARNING **: Cannot load plugin 'terminal' since file '/usr/lib/gedit-2/plugins' cannot be read.

** (gedit:19790): WARNING **: Cannot load Python plugin 'Snippets' since gedit was not able to initialize the Python interpreter.

** (gedit:19790): CRITICAL **: gedit_python_module_load: assertion `Py_IsInitialized ()' failed

** (gedit:19790): WARNING **: Cannot load plugin 'snippets' since file '/usr/lib/gedit-2/plugins' cannot be read.

** (gedit:19790): WARNING **: Cannot load Python plugin 'PO files advanced edition' since gedit was not able to initialize the Python interpreter.

** (gedit:19790): CRITICAL **: gedit_python_module_load: assertion `Py_IsInitialized ()' failed

** (gedit:19790): WARNING **: Cannot load plugin 'pomode' since file '/home/leonardof/.gnome2/gedit/plugins' cannot be read.