[#60463750] not done.

getting the following error even though UnboundLocalError is handled in
the code.

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Users/ramki/tethne/tethne/readers/wos.py", line 576, in
from_dir
    wos_list += parse(path + "/" + f)
  File "/Users/ramki/tethne/tethne/readers/wos.py", line 195, in parse
    wos_dict[field_tag] = str(line[3:])
UnboundLocalError: local variable 'wos_dict' referenced before
assignment