Update extensions/positron-python/python_files/positron/positron_ipyk…

…ernel/matplotlib_backend.py

Signed-off-by: Wasim Lorgat <[email protected]>

extensions/positron-python/python_files/positron/positron_ipykernel/matplotlib_backend.py

@@ -62,6 +62,8 @@ def show(self) -> None:
         Called by matplotlib when a figure is shown via `plt.show()` or `figure.show()`.
         """
         if self._plot is None:
+            # The frontend should respond with a render request, so there's no need for the explicit
+            # show call in this case.
             self._plot = self._plots_service.create_plot(self.canvas._render, self._handle_close)
         else:
             self._plot.show()