Update app.py

app.py

@@ -42,13 +42,13 @@ iface = gr.Interface(
         gr.Textbox(label="Gemini API Key", type="password"),
         gr.DateTime(
             label="Start Date",
-            value=default_start_date,
+            value=default_start_date.isoformat(),
             type="datetime",
             include_time=True
         ),
         gr.DateTime(
             label="End Date",
-            value=default_end_date,
+            value=default_end_date.isoformat(),
             type="datetime",
             include_time=True
         )