Update app.py

app.py

@@ -136,8 +136,8 @@ import pandas as pd
 def main():
     st.title("Intervention Program Analysis")
 
-    # File uploader
-    uploaded_file = st.file_uploader("Upload your Excel file", type=["xlsx"])
+    # File uploader with a unique key to avoid duplication errors
+    uploaded_file = st.file_uploader("Upload your Excel file", type=["xlsx"], key="unique_excel_uploader")
 
     if uploaded_file is not None:
         try:
@@ -145,7 +145,6 @@ def main():
             df = pd.read_excel(uploaded_file)
 
             # Step 2: Rename duplicate columns to make them unique
-            # Using built-in pandas functionality to handle duplicate column names
             cols = pd.Series(df.columns)
             for dup in cols[cols.duplicated()].unique():
                 cols[cols[cols == dup].index.values.tolist()] = [f"{dup}_{i+1}" if i != 0 else dup for i in range(sum(cols == dup))]
@@ -205,9 +204,6 @@ def main():
         except Exception as e:
             st.error(f"Error reading the file: {str(e)}")
 
-if __name__ == "__main__":
-    main()
-
 def replace_student_names_with_initials(df):
     """Replace student names in column headers with initials."""
     updated_columns = []