Update app.py

app.py

@@ -14,9 +14,9 @@ Original file is located at
 # Cài đặt thư viện cần thiết
 """
 
-!pip install beautifulsoup4
-!pip install google
-!pip install google-search-results
+pip install beautifulsoup4
+pip install google
+pip install google-search-results
 
 publication_name = input("Please input the keyword for searching: ")
 
@@ -66,7 +66,7 @@ def checkPaper(publication_name):
   else:
     return "This paper has source code in github!\n" + backup_link
 
-!pip install gradio
+pip install gradio
 
 import gradio as gr