make doctests pass with nose

skimage/util/array_views.py

@@ -28,7 +28,7 @@ def block_view(arr, block):
     Examples
     --------
     >>> import numpy as np
-    >>> import block_view
+    >>> from skimage.util.array_views import block_view
     >>> A = np.arange(4*4).reshape(4,4)
     >>> A
     array([[ 0,  1,  2,  3],
@@ -47,28 +47,29 @@ def block_view(arr, block):
             [ 6,  7,  8,  9, 10, 11],
             [12, 13, 14, 15, 16, 17],
             [18, 19, 20, 21, 22, 23]],
-
+    <BLANKLINE>
            [[24, 25, 26, 27, 28, 29],
             [30, 31, 32, 33, 34, 35],
             [36, 37, 38, 39, 40, 41],
             [42, 43, 44, 45, 46, 47]],
-
+    <BLANKLINE>
            [[48, 49, 50, 51, 52, 53],
             [54, 55, 56, 57, 58, 59],
             [60, 61, 62, 63, 64, 65],
             [66, 67, 68, 69, 70, 71]],
-
+    <BLANKLINE>
            [[72, 73, 74, 75, 76, 77],
             [78, 79, 80, 81, 82, 83],
             [84, 85, 86, 87, 88, 89],
             [90, 91, 92, 93, 94, 95]]])
     >>> B = block_view(A, block=(1,2,2))
     >>> B.shape
-    >>> (4, 2, 3, 1, 2, 2)
+    (4, 2, 3, 1, 2, 2)
     >>> B[2:, 0, 2]
     array([[[[52, 53],
              [58, 59]]],
-
+    <BLANKLINE>
+    <BLANKLINE>
            [[[76, 77],
              [82, 83]]]])
     """
@@ -87,6 +88,8 @@ def block_view(arr, block):
     if block_shape.size < arr.ndim:
         raise ValueError('block ndim smaller than input array ndim')
 
+    arr = np.ascontiguousarray(arr)
+
     # -- checking that the block view is compatible
     #    with the shape of the input array
     A_shape = np.array(arr.shape).astype(np.int)
@@ -147,7 +150,7 @@ def rolling_view(arr, window):
     Examples
     --------
     >>> import numpy as np
-    >>> import rolling_view
+    >>> from skimage.util.array_views import rolling_view
     >>> A = np.arange(10)
     >>> A
     array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
@@ -180,18 +183,18 @@ def rolling_view(arr, window):
              [ 4,  5,  6],
              [ 8,  9, 10],
              [12, 13, 14]],
-
+    <BLANKLINE>
             [[ 1,  2,  3],
              [ 5,  6,  7],
              [ 9, 10, 11],
              [13, 14, 15]]],
-
-
+    <BLANKLINE>
+    <BLANKLINE>
            [[[ 4,  5,  6],
              [ 8,  9, 10],
              [12, 13, 14],
              [16, 17, 18]],
-
+    <BLANKLINE>
             [[ 5,  6,  7],
              [ 9, 10, 11],
              [13, 14, 15],
@@ -206,6 +209,8 @@ def rolling_view(arr, window):
     if not (len(window) == arr.ndim):
         raise ValueError('array dimension and window length dont match')
 
+    arr = np.ascontiguousarray(arr)
+
     # -- defining some variables
     arr_shape = np.array(arr.shape)
     window_shape = np.array(window, dtype=arr_shape.dtype)