another ttrty

app.py

@@ -675,6 +675,8 @@ def get_data_default(time_scale, exp):
         
     client.unsubscribe(f"pioreactor/{PIOREACTOR}/readings")
     
+    plots = [None, None, None, None]  
+    
     if temp_graph is not None:
         for temp in temp_graph:
             utc_time = datetime.strptime(temp["x"], "%Y-%m-%dT%H:%M:%S.%fZ")
@@ -691,7 +693,8 @@ def get_data_default(time_scale, exp):
         plt.ylabel("Temperature (C)")
         plt.title("Temperature vs Time")
         plt.legend()
-        plot1 = plt.gcf()
+        plots[0] = plt.gcf()
+        plt.close()
     else:
         plot1 = None
         
@@ -711,7 +714,8 @@ def get_data_default(time_scale, exp):
         plt.ylabel("OD")
         plt.title("OD vs Time")
         plt.legend()
-        plot2 = plt.gcf()
+        plots[1] = plt.gcf()
+        plt.close()
     else:
         plot2 = None
     
@@ -731,7 +735,8 @@ def get_data_default(time_scale, exp):
         plt.ylabel("Normalized OD")
         plt.title("Normalized OD vs Time")
         plt.legend()
-        plot3 = plt.gcf()
+        plots[2] = plt.gcf()
+        plt.close()
     else:
         plot3 = None
         
@@ -751,11 +756,12 @@ def get_data_default(time_scale, exp):
         plt.ylabel("Growth Rate")
         plt.title("Growth Rate vs Time")
         plt.legend()
-        plot4 = plt.gcf()
+        plots[3] = plt.gcf()
+        plt.close()
     else:
         plot4 = None
     
-    return plot1, plot2, plot3, plot4    
+    return plots
     
     
 # Define the interface components