in v2 files have 'name' not 'filename'

Author: tcnichol

pyclowder/api/v2/files.py

@@ -270,7 +270,7 @@ def upload_to_dataset(connector, client, datasetid, filepath, check_duplicate=Fa
     if check_duplicate:
         ds_files = get_file_list(connector, client, datasetid)
         for f in ds_files:
-            if f['filename'] == os.path.basename(filepath):
+            if f['name'] == os.path.basename(filepath):
                 logger.debug("found %s in dataset %s; not re-uploading" % (f['filename'], datasetid))
                 return None