don't keep uploaded files

app.py

@@ -1,3 +1,4 @@
+import os
 import tiger
 import pandas as pd
 import streamlit as st
@@ -53,6 +54,7 @@ def initiate_run():
             with open(fasta_path, 'w') as f:
                 f.write(st.session_state.fasta_entry.getvalue().decode('utf-8'))
             transcripts = tiger.load_transcripts([fasta_path], enforce_unique_ids=False)
+            os.remove(fasta_path)
 
     # convert to upper case as used by tokenizer
     transcripts[tiger.SEQ_COL] = transcripts[tiger.SEQ_COL].apply(lambda s: s.upper())