Pyqtgraph flowchart python It is intended for use in mathematics / scientific / engineering applications. PyQtGraph is a pure-python graphics and GUI library built on PyQt / PySide and numpy. . PyQtGraph is a pure-python graphics and GUI library built on PyQt / PySide and numpy. ihjcdhaqjahciitxgdtkandphcydofmwefzxcgpcreeubdptf