fix typo

Author: manuegrx

nipype/interfaces/spm/model.py

@@ -358,17 +358,17 @@ def _list_outputs(self):
 
             if contrast:
                 outputs["con_images"] = [
-                    (os.path.join(pth, cont) for cont in contrast if 'con' in cont)
+                    os.path.join(pth, cont) for cont in contrast if 'con' in cont
                 ]
                 outputs["ess_images"] = [
-                    (os.path.join(pth, cont) for cont in contrast if 'ess' in cont)
+                    os.path.join(pth, cont) for cont in contrast if 'ess' in cont
                 ]
             if contrast_spm:
                 outputs["spmT_images"] = [
-                    (os.path.join(pth, cont) for cont in contrast_spm if 'spmT' in cont)
+                    os.path.join(pth, cont) for cont in contrast_spm if 'spmT' in cont
                 ]
                 outputs["spmF_images"] = [
-                    (os.path.join(pth, cont) for cont in contrast_spm if 'spmF' in cont)
+                    os.path.join(pth, cont) for cont in contrast_spm if 'spmF' in cont
                 ]
 
         outputs["mask_image"] = os.path.join(pth, "mask.{}".format(outtype))