Update app.py

app.py

@@ -55,8 +55,8 @@ def get_json_file(json_docs):
         text_content=False,
         json_lines=True
     )
-    with open(temp_filepath,'r') as f:
-        s = f.read(json_docs.getvalue())
+    with open(temp_filepath,'wb') as f:
+        s = f.write(json_docs.getvalue())
         s = s.replace('\t','')
         s = s.replace('\n','')
         s = s.replace(',}','}')