keep true test in /test, move temporary tests in local

skimage/rank/local/__init__.py

@@ -0,0 +1 @@
+__author__ = 'olivier'

skimage/rank/local/demo_benchmark.py

@@ -6,7 +6,7 @@ from skimage.morphology import dilation
 import skimage.rank as rank
 from skimage.filter import median_filter
 
-from tools import log_timing
+from skimage.rank.local.tools import log_timing
 
 @log_timing
 def cr_max(image,selem):

skimage/rank/tests/test_suite.py

@@ -66,7 +66,7 @@ class TestSequenceFunctions(unittest.TestCase):
 
     def test_bitdepth(self):
         # test the different bit depth for rank16
-        
+
         elem = np.ones((3,3),dtype='uint8')
         a16 = np.ones((100,100),dtype='uint16')*255
         r = _crank16_percentiles.mean(image=a16,selem = elem,shift_x=0,shift_y=0,p0=.1,p1=.9,bitdepth=8)