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* Fix textual inversion SDXL and add support for 2nd text encoder
Signed-off-by: Daniel Socek <daniel.socek@intel.com>

* Fix style/quality of text inv for sdxl
Signed-off-by: Daniel Socek <daniel.socek@intel.com>

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Signed-off-by: Daniel Socek <daniel.socek@intel.com>
Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>

* Fix typos

* Trim trailing whitespaces

* Remove a trailing whitespace

* chore: Update MarigoldDepthPipeline checkpoint to prs-eth/marigold-lcm-v1-0

* Revert "chore: Update MarigoldDepthPipeline checkpoint to prs-eth/marigold-lcm-v1-0"

This reverts commit fd742b30b4258106008a6af4d0dd4664904f8595.

* pokemon -> naruto

* `DPMSolverMultistep` -> `DPMSolverMultistepScheduler`

* Improve Markdown stylization

* Improve style

* Improve style

* Refactor pipeline variable names for consistency

* up style

* enable stable-xl textual inversion

* check if optimizer_2 exists

* check text_encoder_2 before using

* add textual inversion for sdxl in a single file

* fix style

* fix example style

* reset for error changes

* add readme for sdxl

* fix style

* disable autocast as it will cause cast error when weight_dtype=bf16

* fix spelling error

* fix style and readme and 8bit optimizer

* add README_sdxl.md link

* add tracker key on log_validation

* run style

* rm the second center crop

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Co-authored-by: Sayak Paul <spsayakpaul@gmail.com>