Merge pull request #315 from tonysyu/doctest-plot-fix

DOC: Remove plotting from docstring examples.

skimage/transform/finite_radon_transform.py

@@ -46,14 +46,6 @@ def frt2(a):
 
     >>> f = frt2(img)
 
-    Plot the results:
-
-    >>> import matplotlib.pyplot as plt
-    >>> plt.imshow(f, interpolation='nearest', cmap=plt.cm.gray)
-    >>> plt.xlabel('Angle')
-    >>> plt.ylabel('Translation')
-    >>> # plt.show()
-
     References
     ----------
     .. [FRT] A. Kingston and I. Svalbe, "Projective transforms on periodic

skimage/transform/hough_transform.py

@@ -131,14 +131,6 @@ def hough(img, theta=None):
 
     >>> out, angles, d = hough(img)
 
-    Plot the results:
-
-    >>> import matplotlib.pyplot as plt
-    >>> plt.imshow(out, cmap=plt.cm.bone)
-    >>> plt.xlabel('Angle (degree)')
-    >>> plt.ylabel('Distance %d (pixel)' % d[0])
-    >>> # plt.show()
-
     .. plot:: hough_tf.py
 
     """