Fix loading of arbitrary SFGs from file

b_asic/GUI/main_window.py

@@ -449,7 +449,7 @@ class MainWindow(QMainWindow):
 
         self.sfg_dict[sfg.name] = sfg
 
-    def _show_precedence_graph(self):
+    def _show_precedence_graph(self, event=None):
         self.dialog = ShowPCWindow(self)
         self.dialog.add_sfg_to_dialog()
         self.dialog.show()
@@ -729,7 +729,7 @@ class MainWindow(QMainWindow):
                 self.plot = Plot(simulation, sfg, self)
                 self.plot.show()
 
-    def simulate_sfg(self):
+    def simulate_sfg(self, event=None):
         self.dialog = SimulateSFGWindow(self)
 
         for _, sfg in self.sfg_dict.items():

b_asic/save_load_structure.py

@@ -119,6 +119,6 @@ def python_to_sfg(path: str) -> SFG:
         exec(code, globals(), locals())
 
     return (
-        locals()["prop"]["name"] if "prop" in locals() else {},
+        locals()["prop"]["name"] if "prop" in locals() else [v for k, v in locals().items() if isinstance(v, SFG)][0],
         locals()["positions"] if "positions" in locals() else {},
     )