1 files changed, 6 insertions, 5 deletions
diff --git a/contrib/python/ipython/py3/IPython/utils/tempdir.py b/contrib/python/ipython/py3/IPython/utils/tempdir.py
index 98f6aeb3c6b..5afc5d64250 100644
--- a/contrib/python/ipython/py3/IPython/utils/tempdir.py
+++ b/contrib/python/ipython/py3/IPython/utils/tempdir.py
@@ -5,12 +5,12 @@ creating a context manager for the working directory which is also temporary.
 """
 
 import os as _os
+from pathlib import Path
 from tempfile import TemporaryDirectory
 
 
 class NamedFileInTemporaryDirectory(object):
-
-    def __init__(self, filename, mode='w+b', bufsize=-1, **kwds):
+    def __init__(self, filename, mode="w+b", bufsize=-1, add_to_syspath=False, **kwds):
         """
         Open a file named `filename` in a temporary directory.
 
@@ -22,8 +22,9 @@ class NamedFileInTemporaryDirectory(object):
 
         """
         self._tmpdir = TemporaryDirectory(**kwds)
-        path = _os.path.join(self._tmpdir.name, filename)
-        self.file = open(path, mode, bufsize)
+        path = Path(self._tmpdir.name) / filename
+        encoding = None if "b" in mode else "utf-8"
+        self.file = open(path, mode, bufsize, encoding=encoding)
 
     def cleanup(self):
         self.file.close()
@@ -48,7 +49,7 @@ class TemporaryWorkingDirectory(TemporaryDirectory):
             ...
     """
     def __enter__(self):
-        self.old_wd = _os.getcwd()
+        self.old_wd = Path.cwd()
         _os.chdir(self.name)
         return super(TemporaryWorkingDirectory, self).__enter__()