Update app.py

app.py

@@ -359,7 +359,13 @@ async def process_logs(file_obj, lab_site_filter, equipment_type_filter, date_ra
             filtered_df = filtered_df[filtered_df['lab_site'] == lab_site_filter]
         if equipment_type_filter and equipment_type_filter != 'All' and 'equipment_type' in filtered_df.columns:
             filtered_df = filtered_df[filtered_df['equipment_type'] == equipment_type_filter]
-        if date_range and len(date_range) == 2:
+        if date_range is not None:
+            if isinstance(date_range, (int, float)):
+                logging.warning(f"Date range received as single value {date_range}. Using default range [-7, 0].")
+                date_range = [-7, 0]  # Fallback to default range
+            if len(date_range) != 2 or not all(isinstance(x, (int, float)) for x in date_range):
+                logging.error(f"Invalid date range format: {date_range}. Expected [start, end] list of two numbers.")
+                return "Invalid date range format. Please use [start, end] (e.g., [-7, -3]).", "<p>Error processing data.</p>", None, '<p>Error processing data.</p>', None, None, None, None, "", "", "", None, df, current_modified_time
             days_start, days_end = date_range
             today = pd.to_datetime(datetime.now()).tz_localize('Asia/Kolkata')
             start_date = today + pd.Timedelta(days=days_start)
@@ -405,7 +411,7 @@ async def process_logs(file_obj, lab_site_filter, equipment_type_filter, date_ra
         if elapsed_time > 3:
             logging.warning(f"Processing time exceeded 3 seconds: {elapsed_time:.2f} seconds")
 
-        return (summary, preview_html, usage_chart, device_cards, daily_log_chart, weekly_uptime_output, anomaly_alerts_output, downtime_chart, anomalies, amc_reminders, insights, None, df, current_modified_time)
+        return (summary, preview_html, usage_chart, device_cards, daily_log_chart, weekly_uptime_chart, anomaly_alerts_chart, downtime_chart, anomalies, amc_reminders, insights, None, df, current_modified_time)
     except Exception as e:
         logging.error(f"Failed to process file: {str(e)}")
         return f"Error: {str(e)}", "<p>Error processing data.</p>", None, '<p>Error processing data.</p>', None, None, None, None, "", "", "", None, cached_df_state, last_modified_state
@@ -454,7 +460,7 @@ try:
         .table tr:nth-child(even) {background-color: #f9f9f9;}
     """) as iface:
         gr.Markdown("<h1>LabOps Log Analyzer Dashboard</h1>")
-        gr.Markdown("Upload a CSV file to analyze. Click 'Analyze' to refresh the dashboard. Use 'Export PDF' for report download. Date Range accepts [start, end] days (e.g., [-7, -3] for last 7 to 3 days ago).")
+        gr.Markdown("Upload a CSV file to analyze. Click 'Analyze' to refresh the dashboard. Use 'Export PDF' for report download. Date Range must be a range [start, end] (e.g., [-7, -3] for 7 to 3 days ago).")
 
         last_modified_state = gr.State(value=None)
         current_file_state = gr.State(value=None)