Fix Space dependency mismatch and startup import

README.md

@@ -4,7 +4,7 @@ emoji: 🤖
 colorFrom: blue
 colorTo: purple
 sdk: gradio
-sdk_version: 5.49.0
+sdk_version: 4.44.0
 app_file: app.py
 pinned: false
 ---
@@ -85,4 +85,4 @@ This project is licensed under the MIT License.
 
 ---
 
-**Note**: This application processes public repositories only. Private repositories require authentication tokens.
+**Note**: This application processes public repositories only. Private repositories require authentication tokens.

requirements.txt

@@ -8,9 +8,9 @@ chromadb==0.4.18
 GitPython==3.1.40
 python-dotenv==1.0.0
 aiofiles==23.2.1
-sentence-transformers==2.2.2
+sentence-transformers==2.3.1
 transformers==4.36.0
 torch>=2.2.0
 huggingface-hub==0.19.4
 requests==2.31.0
-numpy==1.24.3
+numpy==1.24.3

services/embedding_service.py

@@ -1,4 +1,3 @@
-from sentence_transformers import SentenceTransformer
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.schema import Document
 from langchain_community.vectorstores import Chroma
@@ -86,4 +85,4 @@ class FreeEmbeddingService:
             collection_name=collection_name,
             embedding_function=self.embeddings,
             persist_directory=self.vector_db_path
-        )
+        )

setup.py

@@ -8,7 +8,7 @@ setup(
     author_email="your.email@example.com",
     packages=find_packages(),
     install_requires=[
-        "gradio>=4.44.0",
+        "gradio>=4.44.0,<5",
         "fastapi>=0.104.1",
         "pydantic>=2.5.0",
         "pydantic-settings>=2.1.0",
@@ -18,10 +18,10 @@ setup(
         "GitPython>=3.1.40",
         "python-dotenv>=1.0.0",
         "aiofiles>=23.2.1",
-        "sentence-transformers>=2.2.2",
+        "sentence-transformers>=2.3.1,<3",
         "transformers>=4.36.0",
         "torch>=2.1.0",
-        "huggingface-hub>=0.19.4",
+        "huggingface-hub>=0.19.4,<1",
         "requests>=2.31.0",
         "numpy>=1.24.3",
     ],
@@ -36,4 +36,4 @@ setup(
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
     ],
-)
+)