nerated negative text embeddings. Can be used to easily tweak text inputs (prompt weighting). If
not provided, negative_prompt_embeds are generated from the negative_prompt input argument.   generated_prompt_embeds (torch.FloatTensor, optional) —
Pre-generated text embeddings from the GPT2 langauge model. Can be used to easily tweak text inputs,
e.g. prompt weighting. If not provided, text embeddings will be generated from prompt input
argument