Update app/routes.py

app/routes.py

@@ -322,6 +322,11 @@ def docs():
     return render_template('docs.html', response=None)
 
 
+allowed_extensions = {'pdf', 'docx'}
+def allowed_file(filename):
+    return '.' in filename and filename.rsplit('.', 1)[1].lower() in allowed_extensions
+
+
 @auth.route('/try-api', methods=['POST'])
 def try_api():
     api_key = request.form.get('api_key')