Fix review items.

QuLogic · QuLogic · commit 8c51a8d4d8b2 · 2018-02-25T16:52:38.000-05:00
diff --git a/examples/user_interfaces/pylab_with_gtk_sgskip.py b/examples/user_interfaces/pylab_with_gtk_sgskip.py
@@ -25,7 +25,7 @@
 import gi
 gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
-next = 8  # where to insert this in the mpl toolbar
+pos = 8  # where to insert this in the mpl toolbar
 button = Gtk.Button('Click me')
 button.show()
 
@@ -39,8 +39,8 @@ def clicked(button):
 toolitem.set_tooltip_text('Click me for fun and profit')
 
 toolitem.add(button)
-toolbar.insert(toolitem, next)
-next += 1
+toolbar.insert(toolitem, pos)
+pos += 1
 
 # now let's add a widget to the vbox
 label = Gtk.Label()
diff --git a/examples/widgets/cursor.py b/examples/widgets/cursor.py
@@ -20,7 +20,7 @@
 ax.set_xlim(-2, 2)
 ax.set_ylim(-2, 2)
 
-# Set useblit=True on some backends for enhanced performance.
+# Set useblit=True on most backends for enhanced performance.
 cursor = Cursor(ax, useblit=True, color='red', linewidth=2)
 
 plt.show()
diff --git a/examples/widgets/span_selector.py b/examples/widgets/span_selector.py
@@ -38,7 +38,7 @@ def onselect(xmin, xmax):
     ax2.set_ylim(thisy.min(), thisy.max())
     fig.canvas.draw()
 
-# Set useblit=True on some backends for enhanced performance.
+# Set useblit=True on most backends for enhanced performance.
 span = SpanSelector(ax1, onselect, 'horizontal', useblit=True,
                     rectprops=dict(alpha=0.5, facecolor='red'))
 
diff --git a/lib/matplotlib/pyplot.py b/lib/matplotlib/pyplot.py
@@ -97,8 +97,7 @@ def _backend_selection():
             rcParams['backend'] = 'qt5Agg'
     elif 'gtk' in sys.modules and 'gi' in sys.modules:
         from gi.repository import GObject
-        ml = GObject.MainLoop
-        if ml().is_running():
+        if GObject.MainLoop().is_running():
             rcParams['backend'] = 'GTK3Agg'
     elif 'Tkinter' in sys.modules and not backend == 'TkAgg':
         # import Tkinter
