Update app.py

app.py

@@ -3,20 +3,14 @@ import gradio as gr
 from huggingface_hub import InferenceClient
 
 # ----------------------------------------------------------------------
-# 1️⃣  Force the UI language (prevents the “svelte‑i18n” error)
-# ----------------------------------------------------------------------
-gr.set_default_language("en")          # English UI – change if you need another locale
-
-# ----------------------------------------------------------------------
-# Helper to read a secret (with a safe fallback for local testing)
+# Helper to read a secret (fallback is useful when you run locally)
 # ----------------------------------------------------------------------
 def _secret(key: str, fallback: str = "") -> str:
-    """Return the value of a secret or the supplied fallback."""
     return os.getenv(key, fallback)
 
 
 # ----------------------------------------------------------------------
-# 2️⃣  Core chat logic – system prompt comes from the secret `prec_chat`
+# Core chat logic – system prompt comes from the secret `prec_chat`
 # ----------------------------------------------------------------------
 def respond(
     message: str,
@@ -32,18 +26,18 @@ def respond(
     The system prompt is taken from the secret **prec_chat**.
     Users cannot edit it from the UI.
     """
-    # Load the system prompt (fallback = generic assistant)
+    # 1️⃣  Load the system prompt (fallback = generic assistant)
     system_message = _secret("prec_chat", "You are a helpful assistant.")
 
-    # Initialise the HF inference client
+    # 2️⃣  Initialise the HF inference client
     client = InferenceClient(token=hf_token.token, model="openai/gpt-oss-20b")
 
-    # Build the message list for the chat‑completion endpoint
+    # 3️⃣  Build the message list for the chat‑completion endpoint
     messages = [{"role": "system", "content": system_message}]
-    messages.extend(history)                     # previous conversation turns
-    messages.append({"role": "user", "content": message})  # current user query
+    messages.extend(history)                     # previous turns
+    messages.append({"role": "user", "content": message})  # current query
 
-    # Stream the response back to the UI
+    # 4️⃣  Stream the response back to the UI
     response = ""
     for chunk in client.chat_completion(
         messages,
@@ -61,7 +55,7 @@ def respond(
 
 
 # ----------------------------------------------------------------------
-# 3️⃣  UI – the system‑prompt textbox has been removed.
+# UI – the system‑prompt textbox has been removed.
 # ----------------------------------------------------------------------
 chatbot = gr.ChatInterface(
     respond,
@@ -81,17 +75,17 @@ chatbot = gr.ChatInterface(
 )
 
 # ----------------------------------------------------------------------
-# 4️⃣  Assemble the Blocks layout (no LoginButton – we use basic auth)
+# Assemble the Blocks layout (no LoginButton – we use basic auth)
 # ----------------------------------------------------------------------
 with gr.Blocks() as demo:
     chatbot.render()
 
 
 # ----------------------------------------------------------------------
-# 5️⃣  Launch – protect the UI with the credentials from secrets.
+# Launch – protect the UI with the credentials from secrets.
 # ----------------------------------------------------------------------
 if __name__ == "__main__":
-    # Pull the allowed credentials from secrets (raise early if they are missing)
+    # Pull the allowed credentials from secrets (fail fast if missing)
     allowed_user = _secret("CHAT_USER")
     allowed_pass = _secret("CHAT_PASS")
 
@@ -103,10 +97,10 @@ if __name__ == "__main__":
 
     demo.launch(
         auth=(allowed_user, allowed_pass),   # <-- Gradio's built‑in basic auth
+        # Turn off server‑side rendering to avoid the i18n locale error
+        ssr_mode=False,
         # In a remote environment (HF Spaces, Docker, cloud VM) you need a shareable link:
-        share=True,                          # <-- remove if you run locally and can reach http://0.0.0.0:7860
-        # Optional – makes the server listen on all interfaces (useful in containers)
+        share=True,                         # <-- remove if you run locally and can reach http://127.0.0.1:7860
+        # Optional – listen on all interfaces (useful inside containers)
         server_name="0.0.0.0",
-        # Optional – you can set a custom title, favicon, etc.
-        # title="Secure Chatbot",
     )