Update app.py

app.py

@@ -154,7 +154,7 @@ if uploaded_file is not None:
             # Download correlation heatmap
             st.subheader("Correlation Heatmap")
             correlation_matrix = df_cleaned.select_dtypes(include=['number']).corr()
-            fig, ax = plt.subplots(figsize=(8, 6))
+            fig, ax = plt.subplots(figsize=(10, 8))
             sns.heatmap(correlation_matrix, annot=True, fmt=".2f", cmap="coolwarm", ax=ax)
             st.pyplot(fig)
             fig.savefig("/tmp/correlation_heatmap.png")