Hi everyone,
any time I try and import pyqtgraph in a python script (either version 2.7
or 3.6) I now get the error:
.......
import pyqtgraph as pg
File "/usr/local/lib/python3.6/site-packages/pyqtgraph/__init__.py", line
13, in <module>
from .Qt import QtGui
File "/usr/local/lib/python3.6/site-packages/pyqtgraph/Qt.py", line 153,
in <module>
from PyQt5 import QtGui, QtCore, QtWidgets, uic
ImportError: dlopen(/usr/local/lib/python3.6/site-packages/PyQt5/QtGui.so,
2): Symbol not found: __cg_png_create_info_struct
Referenced from:
/System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
Expected in: /opt/local/lib/libPng.dylib
in /System/Library/Frameworks/ImageIO.framework/Versions/A/ImageIO
I had installed PyQt5 a while ago and was working fine until I also had to
install XQuartz, latest MacOS Xcode, Mac Ports, gcc5, wget, cmake, gmake,
automake, autoconf, libtool, m4, pkgconfig, mango.
Does anyone know how to fix this?
I _need_ to be able to plot to continue my research.
Thanks,
Manfred.
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