Update app.py

app.py

@@ -384,7 +384,7 @@ Required keys:
 def format_json(inp):
     new_json=[]
     print("FORMATTING:::")
-    for i,line in inp:
+    for i,line in enumerate(inp):
         if line.strip().startswith(("keywords","title","description","content","url","{","}")):
             print (line)