Update app.py

app.py

@@ -7,11 +7,11 @@ Original file is located at
     https://colab.research.google.com/drive/1VSXUmag_76fzebs16YhW_as4mdhHNdkx
 """
 
-!pip install llama-index
-!pip install langchain
-!pip install gradio
-!pip install pandas 
-!pip install openpyxl
+#pip install llama-index
+#pip install langchain
+#pip install gradio
+#pip install pandas 
+#pip install openpyxl
 
 import pandas as pd
 from llama_index import SimpleDirectoryReader, GPTListIndex, readers, GPTSimpleVectorIndex, LLMPredictor, PromptHelper