diff --git a/examples/pylab_examples/contour_image.py b/examples/pylab_examples/contour_image.py
index 4fa036a9432a..a63b107baa04 100755
--- a/examples/pylab_examples/contour_image.py
+++ b/examples/pylab_examples/contour_image.py
@@ -24,7 +24,7 @@
 Z = (Z1 - Z2) * 10
 
 levels = arange(-2.0, 1.601, 0.4)  # Boost the upper limit to avoid truncation
-                                  # errors.
+                                   # errors.
 
 norm = cm.colors.Normalize(vmax=abs(Z).max(), vmin=-abs(Z).max())
 cmap = cm.PRGn
diff --git a/examples/pylab_examples/demo_agg_filter.py b/examples/pylab_examples/demo_agg_filter.py
index 5eefd75c2e9d..3337497675d2 100644
--- a/examples/pylab_examples/demo_agg_filter.py
+++ b/examples/pylab_examples/demo_agg_filter.py
@@ -11,7 +11,7 @@ def smooth1d(x, window_len):
     s = np.r_[2*x[0] - x[window_len:1:-1], x, 2*x[-1] - x[-1:-window_len:-1]]
     w = np.hanning(window_len)
     y = np.convolve(w/w.sum(), s, mode='same')
-    return y[window_len - 1 : -window_len + 1]
+    return y[window_len-1:-window_len+1]
 
 
 def smooth2d(A, sigma=3):
diff --git a/examples/pylab_examples/pie_demo2.py b/examples/pylab_examples/pie_demo2.py
index 43fb4a24a12c..c96d5a83ccdc 100644
--- a/examples/pylab_examples/pie_demo2.py
+++ b/examples/pylab_examples/pie_demo2.py
@@ -44,11 +44,10 @@
 
 plt.subplot(the_grid[1, 1], aspect=1)
 
+# Turn off shadow for tiny plot with exploded slice.
 patches, texts, autotexts = plt.pie(fracs, explode=explode,
                                     labels=labels, autopct='%.0f%%',
                                     shadow=False, radius=0.5)
-                                # Turn off shadow for tiny plot
-                                # with exploded slice.
 for t in texts:
     t.set_size('smaller')
 for t in autotexts:
diff --git a/examples/pylab_examples/stackplot_demo.py b/examples/pylab_examples/stackplot_demo.py
index ba5d1d202f9e..f10ced74a251 100644
--- a/examples/pylab_examples/stackplot_demo.py
+++ b/examples/pylab_examples/stackplot_demo.py
@@ -1,7 +1,10 @@
 import numpy as np
 from matplotlib import pyplot as plt
 
-fnx = lambda: np.random.randint(5, 50, 10)
+
+def fnx():
+    return np.random.randint(5, 50, 10)
+
 y = np.row_stack((fnx(), fnx(), fnx()))
 x = np.arange(10)
 
diff --git a/examples/pylab_examples/usetex_demo.py b/examples/pylab_examples/usetex_demo.py
index 07c1ef4cfa55..f29173af3f4d 100644
--- a/examples/pylab_examples/usetex_demo.py
+++ b/examples/pylab_examples/usetex_demo.py
@@ -13,7 +13,7 @@
            X, X < 0, 'k--',                   # sharp interface
            linewidth=5)
 
-## legend
+# legend
 pylab.legend((r'phase field', r'level set', r'composition', r'sharp interface'), shadow=True, loc=(0.01, 0.55))
 
 ltext = pylab.gca().get_legend().get_texts()
diff --git a/examples/user_interfaces/interactive2.py b/examples/user_interfaces/interactive2.py
index 9d809bd9554c..6e174b0b7170 100755
--- a/examples/user_interfaces/interactive2.py
+++ b/examples/user_interfaces/interactive2.py
@@ -169,7 +169,7 @@ def __init__(self):
 
         self.mark = self.text.get_buffer().create_mark("End", self.text.get_buffer().get_end_iter(), False)
 
-                # setup colors
+        # setup colors
         self.style_banner = gtk.TextTag("banner")
         self.style_banner.set_property("foreground", "saddle brown")