Move requantize.py to the quatnization/ dir.

Author: RyanJDick

invokeai/backend/quantization/__init__.py

@@ -14,7 +14,7 @@
 from optimum.quanto.models import QuantizedDiffusersModel
 from optimum.quanto.models.shared_dict import ShardedStateDict
 
-from invokeai.backend.requantize import requantize
+from invokeai.backend.quantization.requantize import requantize
 
 
 class FastQuantizedDiffusersModel(QuantizedDiffusersModel):

invokeai/backend/quantization/fast_quantized_diffusion_model.py

@@ -9,7 +9,7 @@
 from transformers.models.auto import AutoModelForTextEncoding
 from transformers.utils import SAFE_WEIGHTS_INDEX_NAME, SAFE_WEIGHTS_NAME, is_accelerate_available
 
-from invokeai.backend.requantize import requantize
+from invokeai.backend.quantization.requantize import requantize
 
 
 class FastQuantizedTransformersModel(QuantizedTransformersModel):