MNT: Fixes to a few feedsRun scripts

unit_tests/avwutils/fix_orient/feedsRun

-#!/usr/bin/env python
+#!/usr/bin/env fslpython
 """Test the standard recipe for fixing a broken orientation, from "The labels
 in FSLView are wrong or missing and no conversion to NIfTI can fix this", on
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unit_tests/avwutils/fslcomplex/feedsRun

-#!/usr/bin/env python
+#!/usr/bin/env fslpython
 """Test that fslcomplex produces correct outputs. Specifically tests that the
 output files have orientation info that matches that of the input files.
 """

unit_tests/fdt/dtifit/feedsRun

@@ -132,7 +132,7 @@ def gen_data():
 
                 nib.Nifti1Image(S0, affine=affine).to_filename(f'{fdir}/ref_S0.nii.gz')
                 nib.Nifti1Image(data, affine=affine).to_filename(f'{fdir}/ref_data.nii.gz')
-                nib.Nifti1Image(np.ones(data.shape[:3], dtype=int), affine=affine).to_filename(f'{fdir}/nodif_brain_mask.nii.gz')
+                nib.Nifti1Image(np.ones(data.shape[:3], dtype=np.int32), affine=affine).to_filename(f'{fdir}/nodif_brain_mask.nii.gz')
 
                 tensor_components = diffusion_tensor[:, :, :, [0, 0, 0, 1, 1, 2], [0, 1, 2, 1, 2, 2]]
                 nib.Nifti1Image(tensor_components, affine=affine).to_filename(f'{fdir}/ref_tensor.nii.gz')
@@ -260,9 +260,3 @@ for directory, multi_shell, kurt in gen_data():
             ref = nib.load(f'{directory}/ref_L1.nii.gz').get_fdata()
             fit = nib.load(f'{base_output}_L1.nii.gz').get_fdata()
             assert not np.allclose(ref, fit, rtol=1e-3, atol=1e-6)
-
-
-
-
-
-

unit_tests/fugue/applywarp/feedsRun

 #!/usr/bin/env fslpython
 
-import				   os
+import                             os
 import                             shlex
-import				   sys
+import                             sys
 import subprocess           as     sp
 import numpy                as     np
 import nibabel              as     nib