s/book/report in exporter and exporter tests

IPython/nbconvert/exporters/latex.py

@@ -45,7 +45,7 b' class LatexExporter(TemplateExporter):'
         help="Extension of the file that should be written to disk")
 
     default_template = Unicode('article', config=True, help="""Template of the 
-        data format to use.  I.E. 'article' or 'book'""")
+        data format to use.  I.E. 'article' or 'report'""")
 
     #Latex constants
     default_template_path = Unicode(

IPython/nbconvert/exporters/tests/test_latex.py

@@ -44,9 +44,9 b' class TestLatexExporter(ExportersTestsBase):'
     @onlyif_cmds_exist('pandoc')
     def test_export_book(self):
         """
-        Can a LatexExporter export using 'book' template?
+        Can a LatexExporter export using 'report' template?
         """
-        (output, resources) = LatexExporter(template_file='book').from_filename(self._get_notebook())
+        (output, resources) = LatexExporter(template_file='report').from_filename(self._get_notebook())
         assert len(output) > 0