SVM, problems encountered in face recognition and Solutions

Support vector machine learning python Problems encountered in the code

clf = GridSearchCV(SVC(kernel=‘rbf’, class_weight=‘auto’), param_grid)
Problems encountered
ValueError: class_weight must be dict, ‘balanced’, or None, got: ‘auto’
resolvent
#clf = GridSearchCV(SVC(kernel=‘rbf’, class_weight=‘balanced’), param_grid)