Update app.py

app.py

@@ -4,6 +4,14 @@ import subprocess
 import os, shutil
 
 def fork(source_repo, dst_repo, token, repo_type):
+    subprocess.run(
+        "git lfs install --force --local".split(),
+        stderr=subprocess.PIPE,
+        stdout=subprocess.PIPE,
+        encoding="utf-8",
+        check=True
+    )
+
     # Creating repos has inconsistent API (https://github.com/huggingface/huggingface_hub/issues/47)
     repo_namespace, dst_id = dst_repo.split("/")
     username = whoami(token)