[LoRA test suite] refactor the test suite and cleanse it (huggingface#7316)

* cleanse and refactor lora testing suite.

* more cleanup.

* make check_if_lora_correctly_set a utility function

* fix: typo

* retrigger ci

* style

Author: sayakpaul

.github/workflows/pr_test_peft_backend.yml

@@ -105,4 +105,4 @@ jobs:
         python -m pytest -n 1 --max-worker-restart=0 --dist=loadfile \
           -s -v \
           --make-reports=tests_${{ matrix.config.report }} \
-          tests/lora/test_lora_layers_peft.py
+          tests/lora/

examples/community/imagic_stable_diffusion.py

@@ -1,7 +1,8 @@
 """
-    modeled after the textual_inversion.py / train_dreambooth.py and the work
-    of justinpinkney here: https://github.com/justinpinkney/stable-diffusion/blob/main/notebooks/imagic.ipynb
+modeled after the textual_inversion.py / train_dreambooth.py and the work
+of justinpinkney here: https://github.com/justinpinkney/stable-diffusion/blob/main/notebooks/imagic.ipynb
 """
+
 import inspect
 import warnings
 from typing import List, Optional, Union

examples/community/seed_resize_stable_diffusion.py

@@ -1,6 +1,7 @@
 """
-    modified based on diffusion library from Huggingface: https://github.com/huggingface/diffusers/blob/main/src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion.py
+modified based on diffusion library from Huggingface: https://github.com/huggingface/diffusers/blob/main/src/diffusers/pipelines/stable_diffusion/pipeline_stable_diffusion.py
 """
+
 import inspect
 from typing import Callable, List, Optional, Union
 

examples/community/unclip_text_interpolation.py

@@ -35,7 +35,6 @@ def slerp(val, low, high):
 
 
 class UnCLIPTextInterpolationPipeline(DiffusionPipeline):
-
     """
     Pipeline for prompt-to-prompt interpolation on CLIP text embeddings and using the UnCLIP / Dall-E to decode them to images.
 

examples/research_projects/multi_token_textual_inversion/multi_token_clip.py

@@ -23,6 +23,7 @@
 6. Integrate to training x
 7. Test
 """
+
 import copy
 import random
 

examples/research_projects/promptdiffusion/convert_original_promptdiffusion_to_diffusers.py

@@ -12,7 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-""" Conversion script for stable diffusion checkpoints which _only_ contain a controlnet. """
+"""Conversion script for stable diffusion checkpoints which _only_ contain a controlnet."""
 
 import argparse
 import re

scripts/change_naming_configs_and_checkpoints.py

@@ -12,7 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-""" Conversion script for the LDM checkpoints. """
+"""Conversion script for the LDM checkpoints."""
 
 import argparse
 import json

scripts/convert_i2vgen_to_diffusers.py

@@ -12,7 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-""" Conversion script for the LDM checkpoints. """
+"""Conversion script for the LDM checkpoints."""
 
 import argparse
 

scripts/convert_ldm_original_checkpoint_to_diffusers.py

@@ -12,7 +12,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-""" Conversion script for the LDM checkpoints. """
+"""Conversion script for the LDM checkpoints."""
 
 import argparse
 import json

scripts/convert_lora_safetensor_to_diffusers.py

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-""" Conversion script for the LoRA's safetensors checkpoints. """
+"""Conversion script for the LoRA's safetensors checkpoints."""
 
 import argparse