make spacy-en model a part of requirements for demo

app.py

@@ -1,27 +1,19 @@
-import streamlit as st
-from spacy_to_hf import spacy_to_hf
-import os
-import spacy
-from datasets import Dataset
 import json
 from json import JSONDecodeError
 
+import streamlit as st
+from datasets import Dataset
 
-try:
-    nlp = spacy.load("en_core_web_sm")
-except:
-    os.system("python -m spacy download en_core_web_sm")
-    st.experimental_rerun()
-
+from spacy_to_hf import spacy_to_hf
 
 demo_option = [
     {
         "text": "Planned to go to the Apple Storefront on Tuesday",
         "spans": [
-                {"start": 0, "end": 7, "label": "Action"},
-                {"start": 21, "end": 37, "label": "Loc"},
-                {"start": 41, "end": 48, "label": "Date"},
-            ]
+            {"start": 0, "end": 7, "label": "Action"},
+            {"start": 21, "end": 37, "label": "Loc"},
+            {"start": 41, "end": 48, "label": "Date"},
+        ],
     }
 ]
 

requirements.txt

@@ -1,3 +1,4 @@
 streamlit
 spacy-to-hf
-datasets
+datasets
+https://github.com/explosion/spacy-models/releases/download/en_core_web_sm-2.3.1/en_core_web_sm-2.3.1.tar.gz#egg=en_core_web_sm