Merge pull request #445 from tonysyu/doc-tweaks

Doc tweaks

doc/examples/plot_corner.py

@@ -11,7 +11,6 @@ position of corners.
 
 """
 
-import numpy as np
 from matplotlib import pyplot as plt
 
 from skimage import data

doc/examples/plot_random_walker_segmentation.py

@@ -19,7 +19,6 @@ values, and use the random walker for the segmentation.
 .. [1] *Random walks for image segmentation*, Leo Grady, IEEE Trans. Pattern
        Anal. Mach. Intell. 2006 Nov; 28(11):1768-83
 """
-print __doc__
 
 import numpy as np
 from scipy import ndimage

doc/ext/plot2rst.py

@@ -69,6 +69,7 @@ import os
 import shutil
 import token
 import tokenize
+import traceback
 
 import numpy as np
 import matplotlib
@@ -247,7 +248,16 @@ def write_gallery(gallery_index, src_dir, rst_dir, cfg, depth=0):
     gallery_index.write(TOCTREE_TEMPLATE % (sub_dir + '\n   '.join(ex_names)))
 
     for src_name in examples:
-        write_example(src_name, src_dir, rst_dir, cfg)
+
+        try:
+            write_example(src_name, src_dir, rst_dir, cfg)
+        except Exception:
+            print "Exception raised while running:"
+            print "%s in %s" % (src_name, src_dir)
+            print '~' * 60
+            traceback.print_exc()
+            print '~' * 60
+            continue
 
         link_name = sub_dir.pjoin(src_name)
         link_name = link_name.replace(os.path.sep, '_')