fix syntax error

dropboxhandler/dropboxhandler.py

@@ -80,7 +80,7 @@ def generate_openbis_name(path):
         barcode = extract_barcode(cleaned_name)
     except ValueError:
         logger.warn("No or more than one barcode in file: %s. Trying to find respective rule.", path)
-        return name
+        return cleaned_name
     name = cleaned_name.replace(barcode, "")
     if name.startswith('_'):
         name = name[1:]