update sentence transformers import error message (#7906)

haystack/components/embedders/backends/sentence_transformers_backend.py

@@ -9,7 +9,7 @@
 from haystack.lazy_imports import LazyImport
 from haystack.utils.auth import Secret
 
-with LazyImport(message="Run 'pip install \"sentence-transformers>=2.2.0\"'") as sentence_transformers_import:
+with LazyImport(message="Run 'pip install \"sentence-transformers>=2.3.0\"'") as sentence_transformers_import:
  from sentence_transformers import SentenceTransformer
 
 

haystack/components/evaluators/sas_evaluator.py

@@ -11,7 +11,7 @@
 from haystack.utils import ComponentDevice, expit
 from haystack.utils.auth import Secret, deserialize_secrets_inplace
 
-with LazyImport(message="Run 'pip install scikit-learn \"sentence-transformers>=2.2.0\"'") as sas_import:
+with LazyImport(message="Run 'pip install \"sentence-transformers>=2.3.0\"'") as sas_import:
  from sentence_transformers import CrossEncoder, SentenceTransformer, util
  from transformers import AutoConfig
 

haystack/components/rankers/sentence_transformers_diversity.py

@@ -11,7 +11,7 @@
 logger = logging.getLogger(__name__)
 
 
-with LazyImport(message="Run 'pip install \"sentence-transformers>=2.2.0\"'") as torch_and_sentence_transformers_import:
+with LazyImport(message="Run 'pip install \"sentence-transformers>=2.3.0\"'") as torch_and_sentence_transformers_import:
  import torch
  from sentence_transformers import SentenceTransformer
 

pyproject.toml

@@ -79,7 +79,7 @@ format-check = "ruff format --check {args}"
 extra-dependencies = [
  "transformers[torch,sentencepiece]==4.41.2", # ExtractiveReader, TransformersSimilarityRanker, LocalWhisperTranscriber, HFGenerators...
  "huggingface_hub>=0.23.0", # Hugging Face API Generators and Embedders
- "sentence-transformers>=2.2.0", # SentenceTransformersTextEmbedder and SentenceTransformersDocumentEmbedder
+ "sentence-transformers>=2.3.0", # SentenceTransformersTextEmbedder and SentenceTransformersDocumentEmbedder
  "langdetect", # TextLanguageRouter and DocumentLanguageClassifier
  "openai-whisper>=20231106", # LocalWhisperTranscriber
 

releasenotes/notes/update-sentence-transformers-import-error-msg-895b8ed2355ae2fe.yaml

@@ -0,0 +1,5 @@
+---
+enhancements:
+ - |
+ Update the error message when the `sentence-transformers` library is not installed
+ and the used component requires it.