I want use pyqtgraph in my raspberry 4.
So first I install Pyqt5 by sudo apt-get install python3-pyqt5
when I try , It tell me need Qt version>= 5.12
so I install by compile pyqt-5.15.4 and check:
Qt5 Version Number is: 5.11.3
PyQt5 Version is: 5.15.4
Sip Version is: 6.1.0.dev2104271705
error code:
```File "/home/pi/mcc172_ffty/mainWindow.py", line 12, in <module>
import pyqtgraph as pg
File "/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/__init__.py",
line 13, in <module>
from .Qt import QtGui, mkQApp
File "/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/Qt.py", line
391, in <module>
raise Exception('pyqtgraph requires Qt version >= %d.%d (your version
is %s)' % (versionReq[0], versionReq[1], QtVersion))
Exception: pyqtgraph requires Qt version >= 5.12 (your version is 5.11.3)
```
Why it use Qt but not ptqt? and how can i get my problem solved
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