Update splitter.py

splitter.py

@@ -62,8 +62,12 @@ st.markdown(html_subject, unsafe_allow_html=True)
 uploaded_file = st.file_uploader("", type=["csv", "xlsx"])
 
 if uploaded_file is not None:
-    # Step 2: Read the CSV file into a DataFrame
-    df = pd.read_csv(uploaded_file)
+    try:
+        # Try reading the CSV file with utf-8 encoding first
+        df = pd.read_csv(uploaded_file, encoding='utf-8')
+    except UnicodeDecodeError:
+        # Fallback to ISO-8859-1 encoding if utf-8 fails
+        df = pd.read_csv(uploaded_file, encoding='ISO-8859-1')
 
     if 'Invoice_No' not in df.columns:
         st.error("The uploaded CSV does not contain the 'Invoice_No' column.")