Update app.py

app.py

@@ -33,7 +33,10 @@ def hf_translate(text, src_lang, tgt_lang):
     try:
         response = requests.post(url, headers=headers, json=payload)
         result = response.json()
-        return result[0]["translation_text"] if isinstance(result, list) else "Translation failed"
+        if isinstance(result, list):
+            return result[0]["translation_text"]
+        else:
+            return "Translation failed: Invalid response format"
     except Exception as e:
         return f"Error: {e}"
 
@@ -46,6 +49,9 @@ def find_image_path(name):
 
 def display_sign_language(text):
     st.markdown("### 👐 Sign Language Representation")
+    if not text:
+        st.warning("No translation available to display in ASL.")
+        return
     words = text.lower().split()
 
     for word in words:
@@ -83,9 +89,12 @@ with tab1:
         else:
             with st.spinner("Translating to English..."):
                 english = hf_translate(urdu_text, "ur_PK", "en_XX")
-            st.markdown("### ✅ English Translation")
-            st.success(english)
-            display_sign_language(english)
+                if "Error" in english or "Translation failed" in english:
+                    st.error(f"Translation failed: {english}")
+                else:
+                    st.markdown("### ✅ English Translation")
+                    st.success(english)
+                    display_sign_language(english)
 
 with tab2:
     sign_sequence = render_sign_input()
@@ -102,5 +111,8 @@ with tab2:
 
             with st.spinner("Translating to Urdu..."):
                 urdu = hf_translate(english_text, "en_XX", "ur_PK")
-            st.markdown("### 🌐 Urdu Translation")
-            st.success(urdu)
+                if "Error" in urdu or "Translation failed" in urdu:
+                    st.error(f"Translation failed: {urdu}")
+                else:
+                    st.markdown("### 🌐 Urdu Translation")
+                    st.success(urdu)