1 files changed, 23 insertions, 21 deletions
diff --git a/python/helpers/pydev/tests_mainloop/gui-tk.py b/python/helpers/pydev/tests_mainloop/gui-tk.py
index 69ceb0b9f053..4cef45f91a4a 100644
--- a/python/helpers/pydev/tests_mainloop/gui-tk.py
+++ b/python/helpers/pydev/tests_mainloop/gui-tk.py
@@ -8,24 +8,26 @@ To run this:
    interactive console
 """
 
-try:
-    from Tkinter import *
-except:
-    # Python 3
-    from tkinter import *
-
-class MyApp:
-
-    def __init__(self, root):
-        frame = Frame(root)
-        frame.pack()
-
-        self.button = Button(frame, text="Hello", command=self.hello_world)
-        self.button.pack(side=LEFT)
-
-    def hello_world(self):
-        print("Hello World!")
-
-root = Tk()
-
-app = MyApp(root)
+if __name__ == '__main__':
+    
+    try:
+        from Tkinter import *
+    except:
+        # Python 3
+        from tkinter import *
+    
+    class MyApp:
+    
+        def __init__(self, root):
+            frame = Frame(root)
+            frame.pack()
+    
+            self.button = Button(frame, text="Hello", command=self.hello_world)
+            self.button.pack(side=LEFT)
+    
+        def hello_world(self):
+            print("Hello World!")
+    
+    root = Tk()
+    
+    app = MyApp(root)