Update app.py

app.py

@@ -44,30 +44,33 @@ def main():
 
         if user_text and (st.session_state.get("last_text", "") != user_text or st.button("Translate", key="translate_btn")):
             st.session_state.last_text = user_text
-            spinner = st.empty()  # Create spinner placeholder
-            spinner.info("Translating...")  # Show spinner
+            spinner = st.empty()
+            spinner.info("Translating...")
             start_time = time.time()
             try:
-                # Use English as buffer for translation
+                # Use English as buffer for translation with validation
                 if source_lang != "English" and target_lang != "English":
                     temp_translation = translation.translate(user_text, source_lang, "English")
+                    if not temp_translation or len(temp_translation.split()) < 2:  # Validate intermediate result
+                        raise ValueError("Intermediate translation failed")
                     translated_text = translation.translate(temp_translation, "English", target_lang)
                 else:
                     translated_text = translation.translate(user_text, source_lang, target_lang)
+                if not translated_text or len(translated_text.split()) < 2:  # Validate final result
+                    raise ValueError("Final translation failed")
                 st.session_state.translated_text = translated_text
                 st.session_state.translation_time = time.time() - start_time
             except Exception as e:
                 st.session_state.translated_text = user_text
                 st.session_state.translation_time = time.time() - start_time
-                st.warning(f"Translation error: {str(e)}. Using input as fallback.")
+                st.warning(f"Translation issue: {str(e)}. Using input as fallback.")
             finally:
-                spinner.empty() 
+                spinner.empty()
 
     # Output Section
     with col_output:
         st.markdown("<div style='margin-bottom: 10px;'></div>", unsafe_allow_html=True)
         if "translated_text" in st.session_state and st.session_state.translated_text:
-            # Match input height dynamically
             line_count = max(len(st.session_state.translated_text.splitlines()), len(user_text.splitlines()))
             output_height = max(200, line_count * 20 + 50)
             st.text_area("Translation:", value=st.session_state.translated_text, height=output_height, key="output_area")
@@ -75,7 +78,7 @@ def main():
             col_copy, col_audio = st.columns([0.5, 0.5])
             with col_copy:
                 if st.button("📋", key="copy_btn", help="Copy to clipboard"):
-                    st.experimental_set_query_params(text=st.session_state.translated_text)
+                    st.clipboard(st.session_state.translated_text)
                     st.success("Copied to clipboard!")
             with col_audio:
                 output_option = st.radio("Output", ["Text", "Audio"], horizontal=True, label_visibility="collapsed", key="output_option")