RF: More imports removed from module level

Author: effigies

nipype/interfaces/image.py

@@ -2,9 +2,6 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 
-import numpy as np
-import nibabel as nb
-
 from ..utils.filemanip import fname_presuffix
 from .base import (SimpleInterface, TraitedSpec, BaseInterfaceInputSpec,
                    traits, File)
@@ -63,6 +60,9 @@ class Rescale(SimpleInterface):
     output_spec = RescaleOutputSpec
 
     def _run_interface(self, runtime):
+        import numpy as np
+        import nibabel as nb
+
         img = nb.load(self.inputs.in_file)
         data = img.get_data()
         ref_data = nb.load(self.inputs.ref_file).get_data()
@@ -171,6 +171,8 @@ class Reorient(SimpleInterface):
     output_spec = ReorientOutputSpec
 
     def _run_interface(self, runtime):
+        import numpy as np
+        import nibabel as nb
         from nibabel.orientations import (
             axcodes2ornt, ornt_transform, inv_ornt_aff)
 
@@ -211,6 +213,8 @@ def _run_interface(self, runtime):
 
 def _as_reoriented_backport(img, ornt):
     """Backport of img.as_reoriented as of nibabel 2.2.0"""
+    import numpy as np
+    import nibabel as nb
     from nibabel.orientations import inv_ornt_aff
     if np.array_equal(ornt, [[0, 1], [1, 1], [2, 1]]):
         return img

nipype/interfaces/nipy/model.py

@@ -5,12 +5,9 @@
 
 import os
 
-import nibabel as nb
-import numpy as np
-
 from ...utils import NUMPY_MMAP
 
-from .base import NipyBaseInterface, have_nipy
+from .base import NipyBaseInterface
 from ..base import (TraitedSpec, traits, File, OutputMultiPath,
                     BaseInterfaceInputSpec, isdefined)
 
@@ -87,6 +84,8 @@ class FitGLM(NipyBaseInterface):
     output_spec = FitGLMOutputSpec
 
     def _run_interface(self, runtime):
+        import nibabel as nb
+        import numpy as np
         import nipy.modalities.fmri.glm as GLM
         import nipy.modalities.fmri.design_matrix as dm
         try:
@@ -282,6 +281,8 @@ class EstimateContrast(NipyBaseInterface):
     output_spec = EstimateContrastOutputSpec
 
     def _run_interface(self, runtime):
+        import nibabel as nb
+        import numpy as np
         import nipy.modalities.fmri.glm as GLM
 
         beta_nii = nb.load(self.inputs.beta)