Update app.py

app.py

@@ -177,13 +177,13 @@ def handle_userinput(question, pdf_vectorstore, dfs):
                 if response_type == 'dataframe':
                     st.session_state.chat_history.append({
                         "role": "assistant", 
-                        "content": "Here's the DataFrame analysis:",
+                        "content": "Here's the table:",
                         "dataframe": response_value
                     })
                 elif response_type == 'plot':
                     st.session_state.chat_history.append({
                         "role": "assistant", 
-                        "content": "Here's the visualization:",
+                        "content": "Here's the chart:",
                         "plot": response_value
                     })
                 else:
@@ -206,7 +206,7 @@ def handle_userinput(question, pdf_vectorstore, dfs):
         st.error(f"Error processing input: {e}")
 
 def main():
-    st.set_page_config(page_title="Chat with PDFs and Data", page_icon=":books:")
+    st.set_page_config(page_title="Chat with PDFs or your Data", page_icon=":books:")
 
     # Initialize session state variables
     if "conversation" not in st.session_state:
@@ -233,11 +233,13 @@ def main():
 
     # Sidebar for file upload
     with st.sidebar:
+        st.sidebar.image("logoqb.jpeg", use_container_width=True)
         st.subheader("Your files")
         uploaded_files = st.file_uploader(
             "Upload PDFs, CSVs, or Excel files (up to 3)", 
             accept_multiple_files=True, 
-            key="file_uploader"
+            key="file_uploader",
+            type=['pdf', 'csv', 'xlsx', 'xls']
         )
 
         if st.button("Process"):