fix: fix env again

Author: satra

nipype/workflows/fmri/fsl/preprocess.py

@@ -1147,7 +1147,7 @@ def create_reg_workflow(name='registration'):
     mean2anatbbr = pe.Node(fsl.FLIRT(), name='mean2anatbbr')
     mean2anatbbr.inputs.dof = 6
     mean2anatbbr.inputs.cost = 'bbr'
-    mean2anatbbr.inputs.schedule = os.path.join(os.env['FSLDIR'],
+    mean2anatbbr.inputs.schedule = os.path.join(os.getenv('FSLDIR'),
                                                 'etc/flirtsch/bbr.sch')
     register.connect(inputnode, 'mean_image', mean2anatbbr, 'in_file')
     register.connect(binarize, 'out_file', mean2anatbbr, 'wm_seg')