Update app.py

app.py

@@ -223,7 +223,7 @@ if file_to_lookat !=[] and sub:
             tovcf.to_csv(nameuse,sep='\t',header=False, index=False)
             with open(nameuse,"rb") as txt_file:
                 bytes_data=txt_file.read()
-                txt_file.clost()
+                txt_file.close()
             with open(os.path.join("input",nameuse),"wb") as f:
                 f.write(bytes_data)
                 f.close()