Merge pull request #20446 from abatomunkuev/issue#20423

BUG: Fixed output variable overriding in numpy.info()

1 files changed, 10 insertions, 3 deletions

diff --git a/numpy/lib/utils.py b/numpy/lib/utils.py
index 1df2ab09b..c74ee127d 100644
--- a/numpy/lib/utils.py
+++ b/numpy/lib/utils.py
@@ -429,7 +429,7 @@ def _makenamedict(module='numpy'):
     return thedict, dictlist
 
 
-def _info(obj, output=sys.stdout):
+def _info(obj, output=None):
     """Provide information about ndarray obj.
 
     Parameters
@@ -455,6 +455,9 @@ def _info(obj, output=sys.stdout):
     strides = obj.strides
     endian = obj.dtype.byteorder
 
+    if output is None:
+        output = sys.stdout
+
     print("class: ", nm, file=output)
     print("shape: ", obj.shape, file=output)
     print("strides: ", strides, file=output)
@@ -481,7 +484,7 @@ def _info(obj, output=sys.stdout):
 
 
 @set_module('numpy')
-def info(object=None, maxwidth=76, output=sys.stdout, toplevel='numpy'):
+def info(object=None, maxwidth=76, output=None, toplevel='numpy'):
     """
     Get help information for a function, class, or module.
 
@@ -496,7 +499,8 @@ def info(object=None, maxwidth=76, output=sys.stdout, toplevel='numpy'):
         Printing width.
     output : file like object, optional
         File like object that the output is written to, default is
-        ``stdout``.  The object has to be opened in 'w' or 'a' mode.
+        ``None``, in which case ``sys.stdout`` will be used.
+        The object has to be opened in 'w' or 'a' mode.
     toplevel : str, optional
         Start search at this level.
 
@@ -541,6 +545,9 @@ def info(object=None, maxwidth=76, output=sys.stdout, toplevel='numpy'):
     elif hasattr(object, '_ppimport_attr'):
         object = object._ppimport_attr
 
+    if output is None:
+        output = sys.stdout
+
     if object is None:
         info(info)
     elif isinstance(object, ndarray):