Update app.py

app.py

@@ -31,7 +31,7 @@ Public_Url = 'https://lewiskimaru-helloworld.hf.space/' #endpoint
 
 def translate(userinput, target_lang, source_lang=None):
     if source_lang:
-       url = "Public_Url/translate_enter/"
+       url = f"{Public_Url}/translate_enter/"
        data = {
            "userinput": userinput,
            "source_lang": source_lang,
@@ -44,7 +44,7 @@ def translate(userinput, target_lang, source_lang=None):
        translation = result['translated_text']
        return source_lange, translation
     else:
-      url = "Public_Url/translate_detect/"
+      url = f"{Public_Url}/translate_detect/"
       data = {
         "userinput": userinput,
         "target_lang": target_lang,
@@ -99,6 +99,17 @@ def get_conversation_chain(vectorstore:FAISS) -> ConversationalRetrievalChain:
     )
     return conversation_chain
 
+
+st.markdown("""
+  <style>
+  div.stSpinner> {
+    text-align:center;
+    align-items: center;
+    justify-content: center;
+  }div
+  </style>""", unsafe_allow_html=True)
+
+
 def main():
     st.title("SemaNaPDF📚")
     # upload file