Reversed logic for afni OMP_NUM_THREADS

Author: pintohutch

nipype/interfaces/afni/base.py

@@ -159,8 +159,7 @@ def __init__(self, **inputs):
 
         # Update num threads estimate from OMP_NUM_THREADS env var
         # Default to 1 if not set
-        import os
-        self.num_threads = int(os.getenv('OMP_NUM_THREADS', 1))
+        os.environ['OMP_NUM_THREADS'] = str(self.num_threads)
 
     def _output_update(self):
         """ i think? updates class private attribute based on instance input