You can try: python3 -m pyqtgraph.examples El miércoles, 27 de mayo de 2020, 10:52:56 (UTC-5), andrea gotelli escribió: > > Dear all, > > I have to following problem: after having installed the package (from > GitHub) I have the possibility of choosing PyQtGraph in rqt_plot, but if i > select it nothing changes, and when I check again in the setting, the > MatPlot is always selected. I use Ubuntu 18.04 with ros Melodic. > > I don't know if it is an useful piece of information, but if i run: python > -m pyqtgraph.examples (as suggested in the PYQtGraph page) the result is > the following. > > agotelli@ProBook:~$ python -m pyqtgraph.examples > Traceback (most recent call last): > File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main > "__main__", fname, loader, pkg_name) > File "/usr/lib/python2.7/runpy.py", line 72, in _run_code > exec code in run_globals > File > "/usr/local/lib/python2.7/dist-packages/pyqtgraph/examples/__main__.py", > line 159, in <module> > run() > File > "/usr/local/lib/python2.7/dist-packages/pyqtgraph/examples/__main__.py", > line 154, in run > app = App([]) > File > "/usr/local/lib/python2.7/dist-packages/pyqtgraph/examples/__main__.py", > line 28, in __init__ > super().__init__(*args, **kwargs) > TypeError: super() takes at least 1 argument (0 given) > > > > Thank you all for the help in advance. >
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