Fix keyword arg error in example1.py. Misc code cleanup.

git-svn-id: https://nipy.svn.sourceforge.net/svnroot/nipy/nipype/tags/0.1@538 ead46cd0-7350-4e37-8683-fc4c6f79bf00

doc/examples/example1.py

@@ -3,10 +3,6 @@
 import nipype.pipeline.engine as pe
 import os
 
-reload(pe)
-reload(nw)
-reload(spm)
-
 # interface example
 realign1 = spm.Realign()
 realign1.inputs.infile = os.path.abspath('data/funcrun.nii')
@@ -16,21 +12,26 @@
 
 
 # node_wrapper example
-realign2 = nw.NodeWrapper(interface=spm.Realign(),output_directory='test2',diskbased=True)
+realign2 = nw.NodeWrapper(interface=spm.Realign(),
+                          base_directory='test2',
+                          diskbased=True)
 realign2.inputs.infile = os.path.abspath('data/funcrun.nii')
 realign2.inputs.register_to_mean = True
 #results2 = realign2.run()
 
 
 # pipeline example
-realign3 = nw.NodeWrapper(interface=spm.Realign(),diskbased=True)
+realign3 = nw.NodeWrapper(interface=spm.Realign(), diskbased=True)
 realign3.inputs.infile = os.path.abspath('data/funcrun.nii')
 realign3.inputs.register_to_mean = True
 
-coregister = nw.NodeWrapper(interface=spm.Coregister(),diskbased=True)
+coregister = nw.NodeWrapper(interface=spm.Coregister(), diskbased=True)
 coregister.inputs.target = os.path.abspath('data/struct.nii')
 
 pipeline = pe.Pipeline()
 pipeline.config['workdir'] = os.path.abspath('test3')
-pipeline.connect([(realign3,coregister,[('mean_image','source'),('realigned_files','apply_to_files')])])
+pipeline.connect([(realign3, coregister, 
+                   [('mean_image', 'source'), 
+                    ('realigned_files', 'apply_to_files')]
+                   )])
 #pipeline.run()