Drop Python 2 Unicode handling

Author: acdha

bagit.py

@@ -1438,19 +1438,6 @@ def _decode_filename(s):
     return s
 
 
-def force_unicode_py2(s):
-    """Reliably return a Unicode string given a possible unicode or byte string"""
-    if isinstance(s, str):
-        return s.decode("utf-8")
-    else:
-        return unicode(s)
-
-
-if sys.version_info > (3, 0):
-    force_unicode = str
-else:
-    force_unicode = force_unicode_py2
-
 # following code is used for command line program
 
 

test.py

@@ -1285,16 +1285,5 @@ def test_create_bag(self):
         self.assertEqual(cm.exception.code, 0)
 
 
-class TestUtils(unittest.TestCase):
-    def test_force_unicode_str_to_unicode(self):
-        self.assertIsInstance(bagit.force_unicode("foobar"), str)
-
-    def test_force_unicode_pass_through(self):
-        self.assertIsInstance(bagit.force_unicode("foobar"), str)
-
-    def test_force_unicode_int(self):
-        self.assertIsInstance(bagit.force_unicode(1234), str)
-
-
 if __name__ == "__main__":
     unittest.main()