library · inferred from evidence
matplotlib.pyplot
A submodule of matplotlib used for plotting, which triggers the tkinter dependency via the TkAgg backend.
- ModuleNotFoundError: No module named 'tkinter'
Third-person routing text. Fixes matplotlib failing with No module named tkinter: the default TkAgg backend needs the tkinter GUI toolkit, which many Python builds omit. Install the python3-tk system package or switch matplotlib to the non-