OAIHarvest: Fix for call_authorlist_extract

* Fixes the error in string formatting cause by the fact that
  the ticketid returned from create_authorlist_ticket() is not int.

Signed-off-by: Sebastian Witowski <sebastian.witowski@cern.ch>
1: D205 Blank line missing between one-line summary and description
4: I102 copyright year is outdated, expected 2014 but got 2011
28:1: E302 expected 2 blank lines, found 1
28: D203 Expected 1 blank line *before* class docstring, found 0
33: D400 First line should end with '.', not 'r'
33: D205 Blank line missing between one-line summary and description
33: D208 Docstring is over-indented
42:90: E502 the backslash is redundant between brackets
42: D400 First line should end with '.', not 's'
42: D205 Blank line missing between one-line summary and description
42: D208 Docstring is over-indented
70:104: E231 missing whitespace after ','
70: D400 First line should end with '.', not 'e'
70: D205 Blank line missing between one-line summary and description
70: D208 Docstring is over-indented
92: D400 First line should end with '.', not 's'
92: D205 Blank line missing between one-line summary and description
92: D208 Docstring is over-indented
105: D205 Blank line missing between one-line summary and description
105: D208 Docstring is over-indented
116: D400 First line should end with '.', not 's'
116: D205 Blank line missing between one-line summary and description
116: D208 Docstring is over-indented
131: D400 First line should end with '.', not 'e'
131: D205 Blank line missing between one-line summary and description
131: D208 Docstring is over-indented
144:56: E251 unexpected spaces around keyword / parameter equals
144:58: E251 unexpected spaces around keyword / parameter equals
144: D205 Blank line missing between one-line summary and description
144: D208 Docstring is over-indented
157: D400 First line should end with '.', not 's'
157: D205 Blank line missing between one-line summary and description
157: D208 Docstring is over-indented
167: D205 Blank line missing between one-line summary and description
167: D208 Docstring is over-indented
181: D401 First line should be imperative: 'get', not 'gets'
181: D205 Blank line missing between one-line summary and description
181: D208 Docstring is over-indented
190:21: W601 .has_key() is deprecated, use 'in'
192:21: W601 .has_key() is deprecated, use 'in'
195:1: W391 blank line at end of file