Add application file

app.py

@@ -5,18 +5,12 @@ import streamlit as st
 import base64
 import subprocess # process in the os
 from subprocess import STDOUT #os process manipuation
-import os #os process manipuation
+import os,sys
 import camelot as cam # extracting tables from PDFs 
 
 # to run this only once and it's cached
-@st.cache
-def gh():
-    """install ghostscript on the linux machine"""
-    proc = subprocess.Popen('apt-get install -y ghostscript', shell=True, stdin=None, stdout=open(os.devnull,"wb"), stderr=STDOUT, executable="/bin/bash")
-    proc.wait()
-
-gh()
 
+sys('apt-get install -y ghostscript')
 st.title("PDF Table Extractor")
 
 input_pdf = st.file_uploader(label = "", type = 'pdf')