Update app.py

app.py

@@ -100,7 +100,7 @@ def remove_file():
 
 from flask import jsonify
 
-@app.route('/process/<filename>', methods=['POST'])
+@app.route('/process/<filename>', methods=['GET', 'POST'])
 def process_file(filename):
     uploaded_files = session.get('uploaded_files', [])
     if not uploaded_files: