diff --git a/examples/user_interfaces/embedding_in_gtk3_panzoom_sgskip.py b/examples/user_interfaces/embedding_in_gtk3_panzoom_sgskip.py
index ebead87f6ed6..add4bd3821ee 100644
--- a/examples/user_interfaces/embedding_in_gtk3_panzoom_sgskip.py
+++ b/examples/user_interfaces/embedding_in_gtk3_panzoom_sgskip.py
@@ -6,14 +6,14 @@
 Demonstrate NavigationToolbar with GTK3 accessed via pygobject.
 """
 
-from gi.repository import Gtk
-
 from matplotlib.backends.backend_gtk3 import (
     NavigationToolbar2GTK3 as NavigationToolbar)
 from matplotlib.backends.backend_gtk3agg import (
     FigureCanvasGTK3Agg as FigureCanvas)
 from matplotlib.figure import Figure
 import numpy as np
+from gi.repository import Gtk
+
 
 win = Gtk.Window()
 win.connect("delete-event", Gtk.main_quit)
@@ -29,11 +29,11 @@
 vbox = Gtk.VBox()
 win.add(vbox)
 
-# Add canvas to vbox
+# Add canvas to vbox.
 canvas = FigureCanvas(f)  # a Gtk.DrawingArea
 vbox.pack_start(canvas, True, True, 0)
 
-# Create toolbar
+# Create toolbar.
 toolbar = NavigationToolbar(canvas, win)
 vbox.pack_start(toolbar, False, False, 0)
 
diff --git a/examples/user_interfaces/embedding_in_gtk3_sgskip.py b/examples/user_interfaces/embedding_in_gtk3_sgskip.py
index a5e6271488ba..927849110298 100644
--- a/examples/user_interfaces/embedding_in_gtk3_sgskip.py
+++ b/examples/user_interfaces/embedding_in_gtk3_sgskip.py
@@ -7,12 +7,12 @@
 GTK3 accessed via pygobject.
 """
 
-from gi.repository import Gtk
-
 from matplotlib.backends.backend_gtk3agg import (
     FigureCanvasGTK3Agg as FigureCanvas)
 from matplotlib.figure import Figure
 import numpy as np
+from gi.repository import Gtk
+
 
 win = Gtk.Window()
 win.connect("delete-event", Gtk.main_quit)
@@ -27,7 +27,7 @@
 
 sw = Gtk.ScrolledWindow()
 win.add(sw)
-# A scrolled window border goes outside the scrollbars and viewport
+# A scrolled window border goes outside the scrollbars and viewport.
 sw.set_border_width(10)
 
 canvas = FigureCanvas(f)  # a Gtk.DrawingArea
diff --git a/examples/user_interfaces/mpl_with_glade_316_sgskip.py b/examples/user_interfaces/mpl_with_glade_316_sgskip.py
index b5cb5a6637fb..2bb761419dbb 100644
--- a/examples/user_interfaces/mpl_with_glade_316_sgskip.py
+++ b/examples/user_interfaces/mpl_with_glade_316_sgskip.py
@@ -5,13 +5,14 @@
 
 """
 
-from gi.repository import Gtk
+from pathlib import Path
 
 from matplotlib.figure import Figure
 from matplotlib.axes import Subplot
 from matplotlib.backends.backend_gtk3agg import (
     FigureCanvasGTK3Agg as FigureCanvas)
 import numpy as np
+from gi.repository import Gtk
 
 
 class Window1Signals(object):
@@ -21,12 +22,14 @@ def on_window1_destroy(self, widget):
 
 def main():
     builder = Gtk.Builder()
-    builder.add_objects_from_file("mpl_with_glade_316.glade", ("window1", ""))
+    builder.add_objects_from_file(
+        str(Path(__file__).with_name("mpl_with_glade_316.glade")),
+        ("window1", ""))
     builder.connect_signals(Window1Signals())
     window = builder.get_object("window1")
     sw = builder.get_object("scrolledwindow1")
 
-    # Start of Matplotlib specific code
+    # Start of Matplotlib specific code.
     figure = Figure(figsize=(8, 6), dpi=71)
     axis = figure.add_subplot(111)
     t = np.arange(0.0, 3.0, 0.01)
@@ -39,7 +42,7 @@ def main():
     canvas = FigureCanvas(figure)  # a Gtk.DrawingArea
     canvas.set_size_request(800, 600)
     sw.add_with_viewport(canvas)
-    # End of Matplotlib specific code
+    # End of Matplotlib specific code.
 
     window.show_all()
     Gtk.main()