Update app.py

app.py

@@ -127,23 +127,23 @@ def find_items(lvl_1,lvl_2,lvl_3,lvl_4,lvl_5,fetch_url,config="TEST",split="test
     box_3=[]
     box_4=[]
     box_5=[]
-    if lvl_1 !="":
+    if lvl_1 !=[]:
         for ea in (out_json[lvl_1]):
             box_1.append(ea)    
         out = box_1
-    if lvl_2 !="":
+    if lvl_2 !=[]:
         for ea in (out_json[lvl_1]):
             box_2.append(ea[lvl_2])    
         out = box_2
-    if lvl_3 !="":
+    if lvl_3 !=[]:
         for ea in (out_json[lvl_1]):
             box_3.append(ea[lvl_2][lvl_3])    
         out = box_3  
-    if lvl_4 !="":
+    if lvl_4 !=[]:
         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 !=[]:
         for ea in (out_json[lvl_1]):
             box_5.append(ea[lvl_2][lvl_3][lvl_4][lvl_5])    
         out = box_5