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diff --git a/silx/gui/qt/__init__.py b/silx/gui/qt/__init__.py
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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2004-2017 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""Common wrapper over Python Qt bindings:
+
+- `PyQt5 <http://pyqt.sourceforge.net/Docs/PyQt5/>`_,
+- `PyQt4 <http://pyqt.sourceforge.net/Docs/PyQt4/>`_ or
+- `PySide <http://www.pyside.org>`_.
+
+If a Qt binding is already loaded, it will use it, otherwise the different
+Qt bindings are tried in this order: PyQt4, PySide, PyQt5.
+
+The name of the loaded Qt binding is stored in the BINDING variable.
+
+This module provides a flat namespace over Qt bindings by importing
+all symbols from **QtCore** and **QtGui** packages and if available
+from **QtOpenGL** and **QtSvg** packages.
+For **PyQt5**, it also imports all symbols from **QtWidgets** and
+**QtPrintSupport** packages.
+
+Example of using :mod:`silx.gui.qt` module:
+
+>>> from silx.gui import qt
+>>> app = qt.QApplication([])
+>>> widget = qt.QWidget()
+
+For an alternative solution providing a structured namespace,
+see `qtpy <https://pypi.python.org/pypi/QtPy/>`_ which
+provides the namespace of PyQt5 over PyQt4 and PySide.
+"""
+
+import sys
+from ._qt import *  # noqa
+from ._utils import *  # noqa
+
+
+if sys.platform == "darwin":
+    if BINDING in ["PySide", "PyQt4"]:
+        from . import _macosx
+        _macosx.patch_QUrl_toLocalFile()