Update app.py

app.py

@@ -17,7 +17,7 @@ st.set_page_config(page_title="Electronics Sales Prediction", layout="wide")
 
 st.title("📊 Consumer Electronics Sales Prediction App")
 
-# Load default dataset
+# Load default dataset from file
 @st.cache_data
 def load_default_data():
     return pd.read_csv('/mnt/data/consumer_electronics_sales_data.csv')
@@ -31,8 +31,12 @@ if uploaded_file is not None:
     data = pd.read_csv(uploaded_file)
     st.success("Data Uploaded Successfully ✅")
 else:
-    st.info("📊 Using Default Dataset")
-    data = load_default_data()
+    try:
+        st.info("📊 Using Default Dataset")
+        data = load_default_data()
+    except FileNotFoundError:
+        st.error("🚨 Default dataset not found. Please upload a CSV file.")
+        st.stop()
 
 st.subheader("👀 Data Preview")
 st.write(data.head())