restore an unintentionally-deleted line (but this probably won't fix the

failure b/c this "response" is still not defined... we need this example
to use the previous as context...)

Author: keflavich

docs/linelists/cdms/cdms.rst

@@ -103,6 +103,7 @@ simplified version of the data above is shown below:
 
 .. doctest-remote-data::
 
+   >>> print(response['FREQ', 'ERR', 'ELO'])
         FREQ     ERR     ELO
         MHz      MHz    1 / cm
     ----------- ------ --------