Merge pull request #22231 from ShirasawaSama/patch-10

fix: add missing beautifulsoup4 to backend requirements

backend/requirements-min.txt

@@ -53,3 +53,4 @@ chromadb==1.4.1
 black==26.1.0
 pydub
 chardet==5.2.0
+beautifulsoup4

backend/requirements.txt

@@ -73,6 +73,7 @@ unstructured==0.18.31
 msoffcrypto-tool==6.0.0
 nltk==3.9.2
 Markdown==3.10.1
+beautifulsoup4
 pypandoc==1.16.2
 pandas==3.0.0
 openpyxl==3.1.5