added support to save file locally on streamlite demo

app.py

@@ -14,6 +14,7 @@ import joblib
 from bokeh.models.widgets import Div
 
 import email
+import os
 #from ipyfilechooser import FileChooser
 
 #from IPython.display import display
@@ -262,6 +263,9 @@ target_variables = [
 uploaded_file = st.file_uploader(
     "Please upload your email (In HTML Format)", type=["html"])
 
+with open(os.path.join("./",uploaded_file.name),"wb") as f:
+    f.write(uploaded_file.getbuffer())
+
 if uploaded_file is None:
     # upload_img = PIL.Image.open(uploaded_file)
     upload_img = None