Update app.py

app.py

@@ -177,8 +177,8 @@ if __name__ == "__main__":
                 gr.Markdown("<br>")
                 gr.Markdown("## Example Process Flow Diagrams")
                 with gr.Row():
-                    gr.Image(value="./images/pf1.png", label="Sample 1", show_label=True, interactive=False, height="auto", width="100%")
-                    gr.Image(value="./images/pf2.png", label="Sample 2", show_label=True, interactive=False, height="auto", width="100%")
+                    gr.Image(value="./images/pf1.svg", label="Sample 1", show_label=True, interactive=False, height="auto", width="100%")
+                    gr.Image(value="./images/pf2.svg", label="Sample 2", show_label=True, interactive=False, height="auto", width="100%")
 
             with gr.TabItem("WBS Diagram"):
                 json_input_wbs = gr.Textbox(