Update app.py

app.py

@@ -100,17 +100,13 @@ def main():
     st.set_page_config(page_title="Review Sentiment Analysis and Improvement Summarisation Report for Business Product", page_icon="🦜")
     st.header("Review Sentiment Analysis and Improvement Summarisation Report for Business Product")
     try:
-        uploaded_file = st.file_uploader("🔶 Upload CSV file for analysis 🔶", type={"csv"})
-        if dataset is not None:
-            columnname = st.text_input("🔶 Please enter the column name in CSV file you want to analyze 🔶")
-            num_data = st.number_input("🔶 Please enter the number of rows you want to process 🔶",step=1)
-            input_data = pd.read_csv(uploaded_file)
-            st.dataframe(input_data)
-    except:
-        st.write("Please load a file to continue...")
-    st.text('️️ ')
-    if uploaded_file is not None:
-        uploaded_file.seek(0)
+      uploaded_file = st.file_uploader("🔶 Upload CSV file for analysis 🔶", type={"csv"})
+      if uploaded_file is not None:
+        columnname = st.text_input("🔶 Please enter the column name in CSV file you want to analyze 🔶")
+        num_data = st.number_input("🔶 Please enter the number of rows you want to process 🔶",step=1)
+        input_data = pd.read_csv(uploaded_file)
+        st.dataframe(input_data)
+        st.text('️️ ')
         #stage 1：process data
         st.text('🔶 Processing Data 🔶')
         processed_data = process_data(input_data ,columnname, int(num_data))
@@ -136,6 +132,8 @@ def main():
         summarized_text = summarization(top10_negative_str)
         st.write(summarized_text)
         st.text('️️🟢 Summarization Finished 🟢')
-
+    except:
+        st.write("Please load a file to continue...")
+        
 if __name__ == "__main__":
     main()