fix typo

Author: salma1601

nipype/interfaces/afni/tests/test_auto_NwarpAdjust.py

@@ -21,7 +21,7 @@ def test_NwarpAdjust_inputs():
             keep_extension=True,
             name_source='in_files',
             name_template='%s_NwarpAdjust',
-            xand=['requires'],
+            requires=['in_files'],
         ),
         terminal_output=dict(
             deprecated='1.0.0',

nipype/interfaces/afni/utils.py

@@ -1538,7 +1538,7 @@ class NwarpAdjustInputSpec(CommandLineInputSpec):
         name_source='in_files',
         name_template='%s_NwarpAdjust',
         keep_extension=True,
-        xand=['requires'])
+        requires=['in_files'])
 
 
 class NwarpAdjust(AFNICommandBase):