Update app.py

app.py

@@ -479,9 +479,6 @@ class BioprocessModel:
         solP = np.maximum(sol[:,2], 0)
         return solX, solS, solP, time_f
 
-    # plot_results and plot_combined_results remain largely the same as previous version,
-    # ensure they handle None from y_pred_biomass_fit gracefully.
-    # (Code for plot_results and plot_combined_results is omitted here for brevity but assumed to be from the previous corrected version)
     def plot_results(self, time, biomass, substrate, product,
                      y_pred_biomass_fit, y_pred_substrate_fit, y_pred_product_fit, 
                      biomass_std=None, substrate_std=None, product_std=None,
@@ -567,7 +564,10 @@ class BioprocessModel:
             if show_legend: ax.legend(loc=legend_position)
             if show_params and p_dict and any(np.isfinite(v) for v in p_dict.values()):
                 p_txt='\n'.join([f"{k}={v:.3g}" if np.isfinite(v) else f"{k}=N/A" for k,v in p_dict.items()])
-                txt=f"{p_txt}\nR²={r2_val:.3f if np.isfinite(r2_val) else 'N/A'}\nRMSE={rmse_val:.3f if np.isfinite(rmse_val) else 'N/A'}"
+                # FIXED: Compute formatted strings separately
+                r2_str = f"{r2_val:.3f}" if np.isfinite(r2_val) else 'N/A'
+                rmse_str = f"{rmse_val:.3f}" if np.isfinite(rmse_val) else 'N/A'
+                txt = f"{p_txt}\nR²={r2_str}\nRMSE={rmse_str}"
                 if params_position=='outside right': 
                     fig.subplots_adjust(right=0.70) 
                     ax.annotate(txt,xy=(1.05,0.5),xycoords='axes fraction',xytext=(10,0),textcoords='offset points',va='center',ha='left',bbox={'boxstyle':'round,pad=0.3','facecolor':'wheat','alpha':0.7}, fontsize=8)
@@ -673,7 +673,10 @@ class BioprocessModel:
                 (axis_labels['product_label'], self.params.get('product',{}), self.r2.get('product',np.nan), self.rmse.get('product',np.nan))]:
                 if p_dict and any(np.isfinite(v) for v in p_dict.values()):
                     p_list = [f"  {k}={v:.3g}" if np.isfinite(v) else f"  {k}=N/A" for k,v in p_dict.items()]
-                    all_param_text.append(f"{cat_label}:\n" + "\n".join(p_list) + f"\n  R²={r2_val:.3f if np.isfinite(r2_val) else 'N/A'}\n  RMSE={rmse_val:.3f if np.isfinite(rmse_val) else 'N/A'}")
+                    # FIXED: Compute formatted strings separately
+                    r2_str = f"{r2_val:.3f}" if np.isfinite(r2_val) else 'N/A'
+                    rmse_str = f"{rmse_val:.3f}" if np.isfinite(rmse_val) else 'N/A'
+                    all_param_text.append(f"{cat_label}:\n" + "\n".join(p_list) + f"\n  R²={r2_str}\n  RMSE={rmse_str}")
             total_text = "\n\n".join(all_param_text)
             if total_text:
                 if params_position=='outside right': 
@@ -887,10 +890,6 @@ def process_all_data(file, legend_position, params_position, model_types_selecte
     
     return figures_with_names, comparison_df_sorted, final_message, all_parameters_collected
 
-# ... (MODEL_CHOICES, create_zip_of_images, create_interface, and __main__ block remain the same as the previous corrected version)
-# Ensure create_interface uses the corrected gr.Dataframe without 'height'
-# The rest of the UI and helper functions (create_zip_of_images, export functions) are assumed to be correct from the prior version.
-
 MODEL_CHOICES = [("Logistic (3-parám)","logistic"),("Gompertz (3-parám)","gompertz"),("Moser (3-parám)","moser"),("Baranyi (4-parám)","baranyi")]
 
 def create_zip_of_images(figures_with_names_list, base_zip_filename="plots"):