Matplotlib 2.0 cannot find PyQt5 (Windows) #7958
Description
Bug report
Bug summary
- With Matplotlib 2.0 and PyQt5 (5.7.1), I cannot use the PyQt5 backend for interactive plotting
Code for reproduction
import matplotlib
matplotlib.use("Qt5Agg")
import matplotlib.pyplot as pltActual outcome
Traceback (most recent call last):
File "C:\Python36\lib\site-packages\matplotlib\backends\qt_compat.py", line 172, in <module>
from PySide import QtCore, QtGui, __version__, __version_info__
ModuleNotFoundError: No module named 'PySide'
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "C:\Python36\lib\site-packages\matplotlib\pyplot.py", line 115, in <module>
_backend_mod, new_figure_manager, draw_if_interactive, _show = pylab_setup()
File "C:\Python36\lib\site-packages\matplotlib\backends\__init__.py", line 32, in pylab_setup
globals(),locals(),[backend_name],0)
File "C:\Python36\lib\site-packages\matplotlib\backends\backend_qt5agg.py", line 16, in <module>
from .backend_qt5 import QtCore
File "C:\Python36\lib\site-packages\matplotlib\backends\backend_qt5.py", line 26, in <module>
import matplotlib.backends.qt_editor.figureoptions as figureoptions
File "C:\Python36\lib\site-packages\matplotlib\backends\qt_editor\figureoptions.py", line 20, in <module>
import matplotlib.backends.qt_editor.formlayout as formlayout
File "C:\Python36\lib\site-packages\matplotlib\backends\qt_editor\formlayout.py", line 56, in <module>
from matplotlib.backends.qt_compat import QtGui, QtWidgets, QtCore
File "C:\Python36\lib\site-packages\matplotlib\backends\qt_compat.py", line 175, in <module>
"Matplotlib qt-based backends require an external PyQt4, PyQt5,\n"
ImportError: Matplotlib qt-based backends require an external PyQt4, PyQt5,
or PySide package to be installed, but it was not found.
Expected outcome
- This should not produce an error, ideally.
Matplotlib version
$ ipython
Python 3.6.0 (v3.6.0:41df79263a11, Dec 23 2016, 08:06:12) [MSC v.1900 64 bit (AMD64)]
$ pip show matplotlib
Name: matplotlib
Version: 2.0.0
Summary: Python plotting package
Home-page: http://matplotlib.org
Author: John D. Hunter, Michael Droettboom
Author-email: matplotlib-users@python.org
License: BSD
Location: c:\python36\lib\site-packages
Requires: python-dateutil, six, pyparsing, numpy, cycler, pytz
$ pip show pyqt5
Name: PyQt5
Version: 5.7.1
Summary: Python bindings for the Qt cross platform UI and application toolkit
Home-page: https://www.riverbankcomputing.com/software/pyqt/
Author: Riverbank Computing Limited
Author-email: info@riverbankcomputing.com
License: GPL v3
Location: c:\python36\lib\site-packages
Requires: sip
- How did you install Matplotlib and Python (pip, anaconda, from source ...)
Both matplotlib and PyQt5 installed from pypi sources using pip