(fix):using virtual env and fix chromadb's version (#381)

assembly/bin/supersonic-common.sh

@@ -83,6 +83,20 @@ function runJavaService {
 function runPythonService {
   pythonRunDir=${runtimeDir}/supersonic-${model_name}/llmparser
     cd $pythonRunDir
+    # check if venv is available
+    if ! ${python_path} -c "import venv" &> /dev/null; then
+        echo "venv not found, installing virtualenv via pip..."
+        pip install virtualenv
+        # create a virtual environment using virtualenv
+        virtualenv venv
+    else
+        # create a virtual environment using venv
+        ${python_path} -m venv venv
+    fi
+    # activate the virtual environment
+    source venv/bin/activate
+    # install dependencies
+    pip install --upgrade -r requirements.txt
     nohup ${python_path} supersonic_llmparser.py  > $pythonRunDir/llmparser.log  2>&1   &
     # add health check
     for i in {1..10}

chat/core/src/main/python/requirements.txt

@@ -1,7 +1,7 @@
 langchain==0.0.207
 openai==0.27.4
 fastapi==0.95.1
-chromadb==0.3.21
+chromadb==0.3.26
 tiktoken==0.3.3
 uvicorn[standard]==0.21.1
 pandas==1.5.3