Update app.py

app.py

@@ -144,23 +144,23 @@ def find_items(lvl_1,lvl_2,lvl_3,lvl_4,lvl_5,fetch_url,config="TEST",split="test
     print (f'lvl_3 ::: {lvl_3}')
     print (f'lvl_4 ::: {lvl_4}')
     print (f'lvl_5 ::: {lvl_5}')    
-    if lvl_1 !=[]:
+    if lvl_1 !=[] and lvl_1!=None:
         for ea in (out_json[lvl_1]):
             box_1.append(ea)    
         out = box_1
-    if lvl_2 !=[]:
+    if lvl_2 !=[] and lvl_2!=None:
         for ea in (out_json[lvl_1]):
             box_2.append(ea[lvl_2])    
         out = box_2
-    if lvl_3 !=[]:
+    if lvl_3 !=[] and lvl_3!=None:
         for ea in (out_json[lvl_1]):
             box_3.append(ea[lvl_2][lvl_3])    
         out = box_3  
-    if lvl_4 !=[]:
+    if lvl_4 !=[] and lvl_4!=None:
         for ea in (out_json[lvl_1]):
             box_4.append(ea[lvl_2][lvl_3][lvl_4])    
         out = box_4  
-    if lvl_5 !=[]:
+    if lvl_5 !=[] and lvl_5!=None:
         for ea in (out_json[lvl_1]):
             box_5.append(ea[lvl_2][lvl_3][lvl_4][lvl_5])    
         out = box_5