Travis CI failing on test_interactive_backend[qt5cairo] #11554

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1. jklymak

   added

   topic: testing

   on Jul 2, 2018
2. anntzer commented on Jul 2, 2018

   

   anntzer

   on Jul 2, 2018

   Contributor

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   Probably something with the release of pyqt5.11.2 (see also #11500 (review), which was re: pyqt5.11.0).
3. jklymak commented on Jul 3, 2018

   

   jklymak

   on Jul 3, 2018

   MemberAuthor

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   Logs seem to claim that Qt5 is installed OK:

   Collecting pyqt5
     Using cached https://files.pythonhosted.org/packages/3a/c7/4a9bec78c864051051b41b4cc76672ecc232e6dc7dbb91a5f8ff6f20ff64/PyQt5-5.11.2-5.11.1-cp35.cp36.cp37.cp38-abi3-manylinux1_x86_64.whl
   Collecting PyQt5_sip<4.20,>=4.19.11 (from pyqt5)
     Using cached https://files.pythonhosted.org/packages/c6/b3/04b16d75282a8d8781985dd99955be1eea83f12c48b2605eee3d8a3e97b5/PyQt5_sip-4.19.11-cp36-cp36m-manylinux1_x86_64.whl
   Installing collected packages: PyQt5-sip, pyqt5
   Successfully installed PyQt5-sip-4.19.11 pyqt5-5.11.2
   PyQt5 is available

      OPTIONAL BACKEND EXTENSIONS
                       macosx: no  [Mac OS-X only]
                       qt5agg: yes [installing, Qt: 5.11.1, PyQt: 5.11.2; PySide2
                               not found]
   

   but then it fails later with:

   Traceback (most recent call last):
     File "<string>", line 2, in <module>
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/pyplot.py", line 113, in <module>
       _backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/backends/__init__.py", line 49, in pylab_setup
       backend_mod = importlib.import_module(backend_name)
     File "/home/travis/virtualenv/python3.6.3/lib/python3.6/importlib/__init__.py", line 126, in import_module
       return _bootstrap._gcd_import(name[level:], package, level)
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/backends/backend_qt5cairo.py", line 4, in <module>
       from .backend_qt5 import QtCore, QtGui, _BackendQT5, FigureCanvasQT
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/backends/backend_qt5.py", line 15, in <module>
       import matplotlib.backends.qt_editor.figureoptions as figureoptions
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/backends/qt_editor/figureoptions.py", line 13, in <module>
       import matplotlib.backends.qt_editor.formlayout as formlayout
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/backends/qt_editor/formlayout.py", line 49, in <module>
       from matplotlib.backends.qt_compat import QtGui, QtWidgets, QtCore
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/backends/qt_compat.py", line 200, in <module>
       "Matplotlib qt-based backends require an external PyQt4, PyQt5,\n"
   ImportError: Matplotlib qt-based backends require an external PyQt4, PyQt5,
   PySide or PySide2 package to be installed, but it was not found.
   ----------------------------- Captured stderr call -----------------------------
   Traceback (most recent call last):
     File "/home/travis/build/matplotlib/matplotlib/lib/matplotlib/backends/qt_compat.py", line 197, in <module>
       from PySide import QtCore, QtGui, __version__, __version_info__
   ModuleNotFoundError: No module named 'PySide'
   
4. timhoffm commented on Dec 28, 2018

   

   timhoffm

   on Dec 28, 2018

   Member

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   Assuming this is fixed since CI works fine recently.
5. timhoffm

   closed this as completedon Dec 28, 2018