Update app.py

app.py

@@ -10,9 +10,14 @@ import sys
 import joblib
 import sys
 
-import conda.cli
-
-conda.cli.main('conda', 'install', '-c', 'conda-forge', 'openbabel', '-y')
+import os
+
+try:
+    from openbabel import openbabel
+except:
+    print ("openbabel not found, Installing openbabel ")
+    os.system("conda install -c conda-forge openbabel")
+    from openbabel import openbabel
 
 
 sys.path.append('./CC/')