Update app.py

app.py

@@ -11,6 +11,7 @@ def load_txt(file_name):
         text = file.read()
         return text
 ####
+os.system("apt-get install -y texlive-latex-base texlive-fonts-recommended texlive-latex-extra")
 #os.system("apt-get install -y --no-install-recommends texlive-latex-base texlive-latex-recommended texlive-pictures texlive-science texlive-latex-extra  poppler-utils")
 #print("all latex installed")
 ####