fixed startup

run.py

@@ -1,3 +1,8 @@
+import os
 import subprocess
 
-subprocess.run("uvicorn app.main:app --host localhost --port 7860", shell=True)
+
+on_hf_spaces = os.getenv("ON_HF_SPACES")
+host = "0.0.0.0" if on_hf_spaces else "localhost"
+
+subprocess.run(f"uvicorn app.main:app --host {host} --port 7860", shell=True)