ruff unsafe fixes

Author: Carreau

matplotlib_inline/backend_inline.py

@@ -124,25 +124,25 @@ def flush_figures():
             # ignore the tracking, just draw and close all figures
             try:
                 return show(True)
-            except Exception as e:
+            except Exception:
                 # safely show traceback if in IPython, else raise
                 ip = get_ipython()
                 if ip is None:
-                    raise e
+                    raise
                 else:
                     ip.showtraceback()
                     return
 
         # exclude any figures that were closed:
-        active = set([fm.canvas.figure for fm in Gcf.get_all_fig_managers()])
+        active = {fm.canvas.figure for fm in Gcf.get_all_fig_managers()}
         for fig in [fig for fig in show._to_draw if fig in active]:
             try:
                 display(fig, metadata=_fetch_figure_metadata(fig))
-            except Exception as e:
+            except Exception:
                 # safely show traceback if in IPython, else raise
                 ip = get_ipython()
                 if ip is None:
-                    raise e
+                    raise
                 else:
                     ip.showtraceback()
                     return

matplotlib_inline/config.py

@@ -61,9 +61,8 @@ def _update_figure_formatters(self):
             )
 
     def _figure_formats_changed(self, name, old, new):
-        if "jpg" in new or "jpeg" in new:
-            if not pil_available():
-                raise TraitError("Requires PIL/Pillow for JPG figures")
+        if ("jpg" in new or "jpeg" in new) and not pil_available():
+            raise TraitError("Requires PIL/Pillow for JPG figures")
         self._update_figure_formatters()
 
     figure_format = Unicode(