DEPR: deprecate pandas.sandbox.qtpandas

Author: jreback

doc/source/faq.rst

@@ -290,6 +290,11 @@ details.
 Visualizing Data in Qt applications
 -----------------------------------
 
+.. warning::
+
+    The ``qt`` support is **deprecated and will be removed in a future version**.
+    We refer users to the external package `pandas-qt <https://github.com/datalyze-solutions/pandas-qt>`_.
+
 There is experimental support for visualizing DataFrames in PyQt4 and PySide
 applications. At the moment you can display and edit the values of the cells
 in the DataFrame. Qt will take care of displaying just the portion of the

doc/source/whatsnew/v0.16.0.txt

@@ -384,6 +384,8 @@ Deprecations
   The documentation includes some examples how to convert your existing code
   using ``rplot`` to seaborn: - :ref:`rplot docs <rplot>`
 
+- The ``pandas.sandbox.qtpandas`` interface is deprecated and will be removed in a future version.
+  We refer users to the external package `pandas-qt <https://github.com/datalyze-solutions/pandas-qt>`_. (:issue:`9615`)
 
 .. _whatsnew_0160.prior_deprecations:
 

pandas/sandbox/qtpandas.py

@@ -3,6 +3,14 @@
 
 @author: Jev Kuznetsov
 '''
+
+# GH9615
+
+import warnings
+warnings.warn("The pandas.sandbox.qtpandas module is deprecated and will be "
+              "removed in a future version. We refer users to the external package "
+              "here: https://github.com/datalyze-solutions/pandas-qt")
+
 try:
     from PyQt4.QtCore import QAbstractTableModel, Qt, QVariant, QModelIndex
     from PyQt4.QtGui import (