matplotlib
diff --git a/‎lib/matplotlib/backend_bases.py
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+1-1Lines changed: 1 addition & 1 deletion b/‎lib/matplotlib/backend_bases.py
Copy file name to clipboardExpand all lines: lib/matplotlib/backend_bases.py
+1-1Lines changed: 1 addition & 1 deletion
diff --git a/‎lib/matplotlib/backends/backend_ps.py
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+2-2Lines changed: 2 additions & 2 deletions b/‎lib/matplotlib/backends/backend_ps.py
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+2-2Lines changed: 2 additions & 2 deletions
diff --git a/‎lib/matplotlib/cbook/__init__.py
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+28-5Lines changed: 28 additions & 5 deletions b/‎lib/matplotlib/cbook/__init__.py
Copy file name to clipboardExpand all lines: lib/matplotlib/cbook/__init__.py
+28-5Lines changed: 28 additions & 5 deletions
diff --git a/‎lib/matplotlib/image.py
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+1-1Lines changed: 1 addition & 1 deletion b/‎lib/matplotlib/image.py
Copy file name to clipboardExpand all lines: lib/matplotlib/image.py
+1-1Lines changed: 1 addition & 1 deletion
@@ -1957,7 +1957,7 @@ def print_figure(self, filename, dpi=None, facecolor=None, edgecolor=None,
         """
         if format is None:
             # get format from filename, or from backend's default filetype
-            if isinstance(filename, getattr(os, "PathLike", ())):
+            if isinstance(filename, os.PathLike):
                 filename = os.fspath(filename)
             if isinstance(filename, str):
                 format = os.path.splitext(filename)[1][1:]
 
@@ -968,8 +968,8 @@ def _print_figure(
         the key 'Creator' is used.
         """
         isEPSF = format == 'eps'
-        if isinstance(outfile, (str, getattr(os, "PathLike", ()),)):
-            outfile = title = getattr(os, "fspath", lambda obj: obj)(outfile)
+        if isinstance(outfile, (str, os.PathLike)):
+            outfile = title = os.fspath(outfile)
             title = title.encode("ascii", "replace").decode("ascii")
             passed_in_file_object = False
         elif is_writable_file_like(outfile):
 
@@ -367,13 +367,36 @@ def is_numlike(obj):
     return isinstance(obj, (numbers.Number, np.number))
 
 
-def to_filehandle(fname, flag='rU', return_opened=False, encoding=None):
+def to_filehandle(fname, flag='r', return_opened=False, encoding=None):
     """
-    *fname* can be an `os.PathLike` or a file handle.  Support for gzipped
-    files is automatic, if the filename ends in .gz.  *flag* is a
-    read/write flag for :func:`file`
+    Convert a path to an open file handle or pass-through a file-like object.
+
+    Consider using `open_file_cm` instead, as it allows one to properly close
+    newly created file objects more easily.
+
+    Parameters
+    ----------
+    fname : str or PathLike or file-like object
+        If `str` or `os.PathLike`, the file is opened using the flags specified
+        by *flag* and *encoding*.  If a file-like object, it is passed through.
+    flag : str, default 'r'
+        Passed as the *mode* argument to `open` when *fname* is `str` or
+        `os.PathLike`; ignored if *fname* is file-like.
+    return_opened : bool, default False
+        If True, return both the file object and a boolean indicating whether
+        this was a new file (that the caller needs to close).  If False, return
+        only the new file.
+    encoding : str or None, default None
+        Passed as the *mode* argument to `open` when *fname* is `str` or
+        `os.PathLike`; ignored if *fname* is file-like.
+
+    Returns
+    -------
+    fh : file-like
+    opened : bool
+        *opened* is only returned if *return_opened* is True.
     """
-    if isinstance(fname, getattr(os, "PathLike", ())):
+    if isinstance(fname, os.PathLike):
         fname = os.fspath(fname)
     if isinstance(fname, str):
         if fname.endswith('.gz'):
 
@@ -1425,7 +1425,7 @@ def imsave(fname, arr, vmin=None, vmax=None, cmap=None, format=None,
     """
     from matplotlib.backends.backend_agg import FigureCanvasAgg as FigureCanvas
     from matplotlib.figure import Figure
-    if isinstance(fname, getattr(os, "PathLike", ())):
+    if isinstance(fname, os.PathLike):
         fname = os.fspath(fname)
     if (format == 'png'
         or (format is None