Up vesion at which we deprecate "revision='fp16'" since `transformers` is not released yet (#2623)

* improve error message

* upload

src/diffusers/models/modeling_utils.py

@@ -826,7 +826,7 @@ def _get_model_file(
         if (
             revision in DEPRECATED_REVISION_ARGS
             and (weights_name == WEIGHTS_NAME or weights_name == SAFETENSORS_WEIGHTS_NAME)
-            and version.parse(version.parse(__version__).base_version) >= version.parse("0.15.0")
+            and version.parse(version.parse(__version__).base_version) >= version.parse("0.17.0")
         ):
             try:
                 model_file = hf_hub_download(
@@ -849,7 +849,7 @@ def _get_model_file(
                 return model_file
             except:  # noqa: E722
                 warnings.warn(
-                    f"You are loading the variant {revision} from {pretrained_model_name_or_path} via `revision='{revision}'`. This behavior is deprecated and will be removed in diffusers v1. One should use `variant='{revision}'` instead. However, it appears that {pretrained_model_name_or_path} currently does not have a {_add_variant(weights_name)} file in the 'main' branch of {pretrained_model_name_or_path}. \n The Diffusers team and community would be very grateful if you could open an issue: https://github.com/huggingface/diffusers/issues/new with the title '{pretrained_model_name_or_path} is missing {_add_variant(weights_name)}' so that the correct variant file can be added.",
+                    f"You are loading the variant {revision} from {pretrained_model_name_or_path} via `revision='{revision}'`. This behavior is deprecated and will be removed in diffusers v1. One should use `variant='{revision}'` instead. However, it appears that {pretrained_model_name_or_path} currently does not have a {_add_variant(weights_name, revision)} file in the 'main' branch of {pretrained_model_name_or_path}. \n The Diffusers team and community would be very grateful if you could open an issue: https://github.com/huggingface/diffusers/issues/new with the title '{pretrained_model_name_or_path} is missing {_add_variant(weights_name, revision)}' so that the correct variant file can be added.",
                     FutureWarning,
                 )
         try:

src/diffusers/pipelines/pipeline_utils.py

@@ -614,7 +614,7 @@ class DiffusionPipeline(ConfigMixin):
 
                 if revision in DEPRECATED_REVISION_ARGS and version.parse(
                     version.parse(__version__).base_version
-                ) >= version.parse("0.15.0"):
+                ) >= version.parse("0.17.0"):
                     info = model_info(
                         pretrained_model_name_or_path,
                         use_auth_token=use_auth_token,