revise in accordance with @effigies review

Author: rciric

nipype/algorithms/confounds.py

@@ -1306,7 +1306,7 @@ def compute_noise_components(imgseries, mask_images, components_criterion=0.5,
                 u = np.full((M.shape[0], components_criterion),
                             np.nan, dtype=np.float32)
             else:
-                continue
+                u = np.full((M.shape[0], 1), np.nan, dtype=np.float32)
 
         variance_explained = (s ** 2) / np.sum(s ** 2)
         cumulative_variance_explained = np.cumsum(variance_explained)

nipype/workflows/rsfmri/fsl/tests/test_resting.py

@@ -89,8 +89,8 @@ def test_create_resting_preproc(self, mock_node, mock_realign_wf):
         # assert
         expected_file = os.path.abspath(self.out_filenames['components_file'])
         with open(expected_file, 'r') as components_file:
-            components_data = [line.split()
-                               for line in components_file.read().splitlines()]
+            components_data = [line.rstrip().split()
+                               for line in components_file]
         num_got_components = len(components_data)
         assert (num_got_components == self.num_noise_components or
                 num_got_components == self.fake_data.shape[3])