improve call tips window

src/Gui/CallTips.cpp

@@ -206,13 +206,14 @@ QMap<QString, CallTip> CallTipsList::extractTips(const QString& context) const
     try {
         Py::Module module("__main__");
         Py::Dict dict = module.getDict();
-#if 0
+
+        // this is used to filter out input of the form "1."
         QStringList items = context.split(QLatin1Char('.'));
         QString modname = items.front();
         items.pop_front();
         if (!dict.hasKey(std::string(modname.toLatin1())))
             return tips; // unknown object
-
+#if 0
         // get the Python object we need
         Py::Object obj = dict.getItem(std::string(modname.toLatin1()));
         while (!items.isEmpty()) {