examples: fix pep8 error classes E211

Signed-off-by: Thomas Hisch <[email protected]>

Author: twmr

examples/user_interfaces/embedding_in_gtk3.py

@@ -22,13 +22,13 @@
 a.plot(t,s)
 
 sw = Gtk.ScrolledWindow()
-win.add (sw)
+win.add(sw)
 # A scrolled window border goes outside the scrollbars and viewport
-sw.set_border_width (10)
+sw.set_border_width(10)
 
 canvas = FigureCanvas(f)  # a Gtk.DrawingArea
 canvas.set_size_request(800,600)
-sw.add_with_viewport (canvas)
+sw.add_with_viewport(canvas)
 
 win.show_all()
 Gtk.main()

examples/user_interfaces/interactive.py

@@ -141,7 +141,7 @@ def runcode(self):
         self.ready.release()
         return True
 
-    def kill (self):
+    def kill(self):
         """Kill the thread, returning when it has been shut down."""
         self.ready.acquire()
         self._kill = True

examples/user_interfaces/interactive2.py

@@ -147,7 +147,7 @@ class GTKInterpreterConsole(gtk.ScrolledWindow):
 
     def __init__(self):
         gtk.ScrolledWindow.__init__(self)
-        self.set_policy (gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC)
+        self.set_policy(gtk.POLICY_AUTOMATIC,gtk.POLICY_AUTOMATIC)
 
         self.text = gtk.TextView()
         self.text.set_wrap_mode(True)