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ModuleNotFoundError: No module named 'pydot'

melodic

asked 2019-12-25 14:56:55 -0500

shashi
43 ●4 ●5 ●7

On going through the sixth tutorial on "Understanding ROS Topics", I am getting the following error:

$ rosrun rqt_graph rqt_graph
Could not import "pyqt" bindings of qt_gui_cpp library - so C++ plugins will not be available: Traceback (most recent call last):   File "/opt/ros/melodic/lib/python2.7/dist-packages/qt_gui_cpp/cpp_binding_helper.py", line 43, in <module>     from . import libqt_gui_cpp_sip ImportError: dynamic module does not define module export function (PyInit_libqt_gui_cpp_sip)