Update requirements.txt

requirements.txt

@@ -1,9 +1,8 @@
-langchain>=0.1.0
-langchain-openai>=0.0.2
-langchain-community>=0.0.10
-gradio>=4.0.0
-pandas>=2.0.0
-numpy>=1.24.0
-plotly>=5.14.0
-yfinance>=0.2.28
-openai>=1.0.0
+langchain
+langchain-community
+langchain-openai
+gradio
+pandas
+numpy
+plotly
+yfinance