Update app.py

app.py

@@ -92,7 +92,7 @@ uploaded_file = st.file_uploader("Upload an Excel file", type=["csv", "xlsx"])
 
 if uploaded_file is not None:
     file_extension = uploaded_file.name.split(".")[-1].lower()
-    df = pd.read_csv(uploaded_file) if file_extension == "csv" else pd.read_excel(uploaded_file)
+    df = pd.read_csv(uploaded_file) if file_extension == "csv" else pd.read_excel(uploaded_file, engine="openpyxl")
     st.write("### Preview of Data:")
     st.write(df.head())
     
@@ -120,7 +120,7 @@ if uploaded_file is not None:
             
             # Execute the query
             try:
-                result = eval(f"df.{parsed_query}")
+                result = eval(parsed_query, {"df": df, "pd": pd})  # Ensuring df is correctly referenced
                 st.write("### Result:")
                 st.write(result if isinstance(result, pd.DataFrame) else str(result))