test with requirements file

requirements.txt

@@ -1,8 +1,13 @@
-langchain==0.1.16
-langchain-community==0.0.34
-langchain-core==0.1.45
-langchain-experimental==0.3.2
-langchain-openai==0.1.3
+# langchain==0.1.16
+# langchain-community==0.0.34
+# langchain-core==0.1.45
+# langchain-experimental==0.3.2
+# langchain-openai==0.1.3
+langchain
+langchain-community
+langchain-core
+langchain-experimental
+langchain-openai
 numpy==1.24.4
 openai==1.23.2
 pandas==2.0.3