ctkPythonConsole - Import the interactive help module

Since the standard input are now properly handled, the interactive
help module is imported from pydoc instead of setting
the 'help' variable to be 'pydoc.help.help'

Libs/Scripting/Python/Widgets/ctkPythonConsole.cpp

@@ -361,9 +361,7 @@ void ctkPythonConsole::initialize(ctkAbstractPythonManager* newPythonManager)
 
   // Expose help() function
   QStringList helpImportCode;
-  helpImportCode << "import pydoc";
-  helpImportCode << "help = pydoc.help.help";
-  helpImportCode << "del pydoc";
+  helpImportCode << "from pydoc import help";
   d->PythonManager->executeString(helpImportCode.join("\n"));
 
   this->setDisabled(false);