Update app.py

app.py

@@ -1,7 +1,8 @@
 # --- Lens en offload complet pour GPU 16 Go ---
-
-!git clone https://github.com/microsoft/Lens.git
-!pip install diffusers transformers accelerate sentencepiece
+# importing os for running commands.
+import os
+os.system("git clone https://github.com/microsoft/Lens.git")
+os.system("pip install diffusers transformers accelerate sentencepiece")
 
 import sys
 sys.path.append("/content/Lens")