Update flask_app.py

flask_app.py

@@ -22,7 +22,7 @@ def allowed_file(filename):
            filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
 
 @app.route('/rm-bg/<transparent>', methods=['GET', 'POST'])
-def upload_file(transparent, color):
+def upload_file(transparent):
     transparent = True if transparent == "true" else False
     if request.method == 'POST':
         if 'file' not in request.files: