Update app.py

app.py

@@ -11,7 +11,6 @@ from dash.exceptions import PreventUpdate
 import PyPDF2
 import docx
 import chardet
-import json
 
 # Initialize the Dash app
 app = dash.Dash(__name__, external_stylesheets=[dbc.themes.BOOTSTRAP])
@@ -138,7 +137,7 @@ def remove_file(n_clicks, existing_files):
         raise PreventUpdate
     
     button_id = ctx.triggered[0]['prop_id'].split('.')[0]
-    removed_file = json.loads(button_id)['index']
+    removed_file = button_id.split('"index":"')[1].split('"')[0]
     
     if removed_file in uploaded_files:
         del uploaded_files[removed_file]