* python/py-arch.c (gdbpy_initialize_arch): Return 'int'.

	Check errors.
	* python/py-auto-load.c (gdbpy_initialize_auto_load): Return 'int'.
	* python/py-block.c (gdbpy_initialize_blocks): Return 'int'.
	Check errors.
	* python/py-breakpoint.c (gdbpy_initialize_breakpoints): Return 'int'.
	Check errors.
	* python/py-cmd.c (gdbpy_initialize_commands): Return 'int'.
	Check errors.
	* python/py-event.c (gdbpy_initialize_event): Return 'int'.
	Check errors.
	* python/py-event.h (GDBPY_NEW_EVENT_TYPE): Change generated
	init function to return 'int'.
	* python/py-evtregistry.c (gdbpy_initialize_eventregistry):
	Return 'int'.  Check errors.
	* python/py-evts.c (gdbpy_initialize_py_events): Return 'int'.
	Check errors.
	* python/py-finishbreakpoint.c (gdbpy_initialize_finishbreakpoints):
	Return 'int'.  Check errors.
	* python/py-frame.c (gdbpy_initialize_frames): Return 'int'.
	Check errors.
	* python/py-function.c (gdbpy_initialize_functions): Return 'int'.
	Check errors.
	* python/py-gdb-readline.c (gdbpy_initialize_gdb_readline):
	Check errors.
	* python/py-inferior.c (gdbpy_initialize_inferior): Return 'int'.
	Check errors.
	* python/py-infthread.c (gdbpy_initialize_thread): Return 'int'.
	Check errors.
	* python/py-lazy-string.c (gdbpy_initialize_lazy_string): Return 'int'.
	Check errors.
	* python/py-objfile.c (gdbpy_initialize_objfile): Return 'int'.
	Check errors.
	* python/py-param.c (gdbpy_initialize_parameters): Return 'int'.
	Check errors.
	* python/py-progspace.c (gdbpy_initialize_pspace): Return 'int'.
	Check errors.
	* python/py-symbol.c (gdbpy_initialize_symbols): Return 'int'.
	Check errors.
	* python/py-symtab.c (gdbpy_initialize_symtabs): Return 'int'.
	Check errors.
	* python/py-type.c (gdbpy_initialize_types): Return 'int'.
	Check errors.
	* python/py-value.c (gdbpy_initialize_values): Return 'int'.
	Check errors.
	* python/python-internal.h (gdbpy_initialize_auto_load,
	gdbpy_initialize_values, gdbpy_initialize_frames,
	gdbpy_initialize_symtabs, gdbpy_initialize_commands,
	gdbpy_initialize_symbols, gdbpy_initialize_symtabs,
	gdbpy_initialize_blocks, gdbpy_initialize_types,
	gdbpy_initialize_functions, gdbpy_initialize_pspace,
	gdbpy_initialize_objfile, gdbpy_initialize_breakpoints,
	gdbpy_initialize_finishbreakpoints,
	gdbpy_initialize_lazy_string, gdbpy_initialize_parameters,
	gdbpy_initialize_thread, gdbpy_initialize_inferior,
	gdbpy_initialize_eventregistry, gdbpy_initialize_event,
	gdbpy_initialize_py_events, gdbpy_initialize_stop_event,
	gdbpy_initialize_signal_event,
	gdbpy_initialize_breakpoint_event,
	gdbpy_initialize_continue_event,
	gdbpy_initialize_exited_event, gdbpy_initialize_thread_event,
	gdbpy_initialize_new_objfile_event, gdbpy_initialize_arch):
	Update.  Use CPYCHECKER_NEGATIVE_RESULT_SETS_EXCEPTION.
	* python/python.c (gdb_python_initialized): New global.
	(gdbpy_initialize_events): Return 'int'.  Check errors.
	(_initialize_python): Check errors.  Set
	gdb_python_initialized.