Change tempfile imports to testpath.tempdir

Author: mpacer

Diff for: nbconvert/exporters/tests/test_latex.py

@@ -12,7 +12,7 @@
 from nbformat import write
 from nbformat import v4
 from ipython_genutils.testing.decorators import onlyif_cmds_exist
-from tempfile import TemporaryDirectory
+from testpath.tempdir import TemporaryDirectory
 
 
 class TestLatexExporter(ExportersTestsBase):

Diff for: nbconvert/preprocessors/svg2pdf.py

@@ -12,7 +12,7 @@
 import subprocess
 
 from ipython_genutils.py3compat import cast_unicode_py2
-from tempfile import TemporaryDirectory
+from testpath.tempdir import TemporaryDirectory
 from traitlets import Unicode, default
 
 from .convertfigures import ConvertFiguresPreprocessor