1 files changed, 18 insertions, 12 deletions
diff --git a/sources/pyside2/doc/tutorials/basictutorial/uifiles.rst b/sources/pyside2/doc/tutorials/basictutorial/uifiles.rst
index a45bfc18c..982384629 100644
--- a/sources/pyside2/doc/tutorials/basictutorial/uifiles.rst
+++ b/sources/pyside2/doc/tutorials/basictutorial/uifiles.rst
@@ -1,5 +1,5 @@
-Using UI Files
-***************
+Using `.ui` files from Designer or QtCreator with `QUiLoader` and `pyside2-uic`
+*******************************************************************************
 
 This page describes the use of Qt Creator to create graphical
 interfaces for your Qt for Python project.
@@ -13,8 +13,9 @@ At Qt Creator, create a new Qt Design Form, choose "Main Window" for template.
 And save as `mainwindow.ui`.
 Add a `QPushButton` to the center of the centralwidget.
 
-Your file (mainwindow.ui) should look something like this:
-::
+Your file ``mainwindow.ui`` should look something like this:
+
+.. code-block:: xml
 
     <?xml version="1.0" encoding="UTF-8"?>
     <ui version="4.0">
@@ -73,8 +74,8 @@ Your file (mainwindow.ui) should look something like this:
 
 Now we are ready to decide how to use the **UI file** from Python.
 
-Generating a Python class
-=========================
+Option A: Generating a Python class
+===================================
 
 Another option to interact with a **UI file** is to generate a Python
 class from it. This is possible thanks to the `pyside2-uic` tool.
@@ -128,8 +129,8 @@ file:
   You must run `pyside2-uic` again every time you make changes
   to the **UI file**.
 
-Loading it directly
-====================
+Option B: Loading it directly
+=============================
 
 To load the UI file directly, we will need a class from the **QtUiTools**
 module:
@@ -158,17 +159,22 @@ The complete code of this example looks like this:
     import sys
     from PySide2.QtUiTools import QUiLoader
     from PySide2.QtWidgets import QApplication
-    from PySide2.QtCore import QFile
+    from PySide2.QtCore import QFile, QIODevice
 
     if __name__ == "__main__":
         app = QApplication(sys.argv)
 
-        ui_file = QFile("mainwindow.ui")
-        ui_file.open(QFile.ReadOnly)
-
+        ui_file_name = "mainwindow.ui"
+        ui_file = QFile(ui_file_name)
+        if not ui_file.open(QIODevice.ReadOnly):
+            print("Cannot open {}: {}".format(ui_file_name, ui_file.errorString()))
+            sys.exit(-1)
         loader = QUiLoader()
         window = loader.load(ui_file)
         ui_file.close()
+        if not window:
+            print(loader.errorString())
+            sys.exit(-1)
         window.show()
 
         sys.exit(app.exec_())