Update app.py

app.py

@@ -49,9 +49,9 @@ def get_csv_file(csv_docs):
 
 def get_json_file(json_docs):
     temp_dir = tempfile.TemporaryDirectory()
-    temp_filepath=os.path.join(temp_dir.name, json_docs.name)
+    temp_filepath = os.path.join(temp_dir.name, json_docs.name)
     with open(temp_filepath,"r") as f:
-        s=f.read(json_docs.getvalue())
+        s=f.write(json_docs.getvalue())
         s=s.replace('\t','')
         s=s.replace('\n','')
         s=s.replace(',}','}')