Merge pull request #813 from chrisfilo/fix/melodic

Proper list conversion. Closes #811

Author: satra

nipype/interfaces/fsl/model.py

@@ -1272,7 +1272,8 @@ def _list_outputs(self):
 class MELODICInputSpec(FSLCommandInputSpec):
     in_files = InputMultiPath(
         File(exists=True), argstr="-i %s", mandatory=True, position=0,
-        desc="input file names (either single file name or a list)")
+        desc="input file names (either single file name or a list)",
+        sep=",")
     out_dir = Directory(
         argstr="-o %s", desc="output directory name", genfile=True)
     mask = File(exists=True, argstr="-m %s",

nipype/interfaces/fsl/tests/test_auto_MELODIC.py

@@ -32,6 +32,7 @@ def test_MELODIC_inputs():
     in_files=dict(argstr='-i %s',
     mandatory=True,
     position=0,
+    sep=',',
     ),
     log_power=dict(argstr='--logPower',
     ),