Dear list,

I'm trying to to use matplotlib in a Qt application which needs the
sip API set to 2

        import sip
        sip.setapi('QString', 2)

However if I do this I get this error

        ImportError: cannot import name QString

I'm wondering if I'm the first to stumble upon this one, or this is a
known solution.

Below the whole Traceback.

Thanks,
Michele.


        In [3]: import sip

        In [4]: sip.setapi('QString', 2)

        In [5]: import matplotlib.pyplot as plt
        
---------------------------------------------------------------------------
        ImportError                               Traceback (most recent call 
last)

        /home/mattions/Work/model/MSN/Neuronvisio/examples/<ipython console>
in <module>()

        /usr/lib/pymodules/python2.6/matplotlib/pyplot.py in <module>()
                 93
                 94 from matplotlib.backends import pylab_setup
        ---> 95 new_figure_manager, draw_if_interactive, show = pylab_setup()
                 96
                 97 @docstring.copy_dedent(Artist.findobj)

        /usr/lib/pymodules/python2.6/matplotlib/backends/__init__.pyc in 
pylab_setup()
                 23         backend_name = 
'matplotlib.backends.%s'%backend_name.lower()
                 24     backend_mod = __import__(backend_name,
        ---> 25                              globals(),locals(),[backend_name])
                 26
                 27     # Things we pull in from all backends


        /usr/lib/pymodules/python2.6/matplotlib/backends/backend_qt4agg.py in
<module>()
                 10
                 11 from backend_agg import FigureCanvasAgg
        ---> 12 from backend_qt4 import QtCore, QtGui, FigureManagerQT,
FigureCanvasQT,\
                 13      show, draw_if_interactive, backend_version, \
                 14      NavigationToolbar2QT

        /usr/lib/pymodules/python2.6/matplotlib/backends/backend_qt4.py in 
<module>()
                 14 from matplotlib.mathtext import MathTextParser
                 15 from matplotlib.widgets import SubplotTool
        ---> 16 import matplotlib.backends.qt4_editor.figureoptions as 
figureoptions
                 17
                 18 try:

        
/usr/lib/pymodules/python2.6/matplotlib/backends/qt4_editor/figureoptions.py
in <module>()
                  9 import os.path as osp
                 10
        ---> 11 import matplotlib.backends.qt4_editor.formlayout as formlayout
                 12 from PyQt4.QtGui import QIcon
                 13

        
/usr/lib/pymodules/python2.6/matplotlib/backends/qt4_editor/formlayout.py
in <module>()
                 57                          QDateEdit, QDateTimeEdit, QFont, 
QFontComboBox,
                 58                          QFontDatabase, QGridLayout)
        ---> 59 from PyQt4.QtCore import (Qt, SIGNAL, SLOT, QSize, QString,
                 60                           pyqtSignature, pyqtProperty)
                 61 from datetime import date

        ImportError: cannot import name QString

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