fix: fix the return type of DeepEval.get_model_def_script() for all backends#5094

njzjz merged 4 commits intodeepmodeling:develdeepmodeling/deepmd-kit:develfrom

njzjz:fix-type-hint-get_model_def_scriptnjzjz/deepmd-kit:fix-type-hint-get_model_def_scriptCopy head branch name to clipboard