always import subprocess

app.py

@@ -6,6 +6,7 @@ Beautiful custom timeline visualization for Transformers models using Flask.
 import glob
 import os
 import re
+import subprocess
 import sys
 import time
 import webbrowser
@@ -445,7 +446,6 @@ transformers_path = os.path.dirname(transformers.__file__)
 repo_dir = os.path.join(os.path.dirname(__file__), "transformers")
 if not os.path.exists(repo_dir):
     print("Cloning transformers repository...")
-    import subprocess
 
     subprocess.run(["git", "clone", "https://github.com/huggingface/transformers.git", repo_dir], check=True)
     subprocess.run(["pip", "install", "-e", repo_dir], check=True)

requirements.txt

@@ -1,3 +1,5 @@
+torch
 git+https://github.com/huggingface/transformers.git@main
+huggingface-hub==1.0.0.rc1
 spaces
 flask