Temporal fix for incompatibility between langchain_huggingface and sentence-transformers<2.6

requirements.txt

@@ -2,4 +2,3 @@ langchain
 langchain-community
 langchain-huggingface
 chromadb
-sentence-transformers

worker.py

@@ -7,6 +7,17 @@ from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain_community.vectorstores import Chroma
 from langchain_huggingface import HuggingFaceEndpoint
 
+import pip
+
+def install(package):
+    if hasattr(pip, 'main'):
+        pip.main(['install', package])
+    else:
+        pip._internal.main(['install', package])
+
+# Temporal fix for incompatibility between langchain_huggingface and sentence-transformers<2.6
+install("sentence-transformers==2.2.2")
+
 # Check for GPU availability and set the appropriate device for computation.
 DEVICE = "cuda:0" if torch.cuda.is_available() else "cpu"