Update app.py

app.py

@@ -21,8 +21,8 @@ def load_other_features_data(start_date, end_date):
     return pd.read_csv(file_name, index_col=0, header=0, parse_dates=True)
 
 # Define the start and end dates
-start_date = pd.Timestamp('2022-09-01')
-end_date = pd.Timestamp('2023-08-31')
+start_date = pd.Timestamp('2022-09-01').date()
+end_date = pd.Timestamp('2023-08-31').date()
 
 kpi_data = pd.read_csv(
     r"kpi_data.csv", index_col=0, header=0, parse_dates=True
@@ -36,7 +36,7 @@ date_range_picker = pn.widgets.DateRangePicker(
     name='Date Range', 
     start=start_date, 
     end=end_date,
-    value=(start_date, start_date + pd.DateOffset(months=1))
+    value=(start_date, start_date + pd.DateOffset(months=1).date())
 )
 
 inverter_ids = pn.widgets.MultiSelect(