Fixup

bin/problem2html.sh

@@ -7,4 +7,4 @@
 
 export PYTHONPATH
 PYTHONPATH="$(dirname "$(dirname "$(readlink -f "$0")")"):$PYTHONPATH"
-exec python2 -m problemtools.problem2html "$@"
+exec python3 -m problemtools.problem2html "$@"

bin/problem2pdf.sh

@@ -7,4 +7,4 @@
 
 export PYTHONPATH
 PYTHONPATH="$(dirname "$(dirname "$(readlink -f "$0")")"):$PYTHONPATH"
-exec python2 -m problemtools.problem2pdf "$@"
+exec python3 -m problemtools.problem2pdf "$@"

bin/verifyproblem.sh

@@ -7,4 +7,4 @@
 
 export PYTHONPATH
 PYTHONPATH="$(dirname "$(dirname "$(readlink -f "$0")")"):$PYTHONPATH"
-exec python2 -m problemtools.verifyproblem "$@"
+exec python3 -m problemtools.verifyproblem "$@"

debian/rules

@@ -12,4 +12,4 @@ export PYBUILD_TEST_PYTEST=1
 export no_proxy=github.com
 
 %:
-	dh $@ --with python2 --buildsystem=pybuild
+	dh $@ --with python3 --buildsystem=pybuild

examples/hello/input_format_validators/validate.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 from sys import stdin
 import sys
 

problemtools/problem2html.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 import re

problemtools/problem2pdf.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python3
 # -*- coding: utf-8 -*-
 import re
 import os.path

problemtools/tests/test_languages.py

@@ -146,7 +146,7 @@ def test_missing_run(self):
 
     def test_invalid_run(self):
         vals = self.__language_dict()
-        vals['run'] = ['python2', '{mainfile}']
+        vals['run'] = ['python3', '{mainfile}']
         with pytest.raises(languages.LanguageConfigError):
             languages.Language('id', vals)
         vals['run'] = 'echo {nonexistent}'

problemtools/verifyproblem.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 import glob

setup.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 
 from setuptools import setup, find_packages
 from setuptools.command.bdist_egg import bdist_egg as _bdist_egg

support/default_grader/default_grader

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 
 import sys