请问，如何把tqsdk2的quote转换为dict(已解决)

解决方案

underlying_symbol = 'SSE.000300'
opt = api.query_options(underlying_symbol, expired=False)
nan=np.float('nan')
opt_q = pd.DataFrame(eval(api.get_quote(code).__str__()) for code in opt)

如下的代码，在tqsdk里能正常运行，在tqsdk2里，opt_q不能生成和tqsdk一样的DataFrame，请问，tqsdk2里的quote如何转换为普通的dict?

underlying_symbol = 'SSE.000300'
opt = api.query_options(underlying_symbol, expired=False)
opt_q = pd.DataFrame(api.get_quote(code) for code in opt)