fix

app/extras/pseudographic.py

@@ -31,6 +31,12 @@ def calculate_time_on_duty_hours(hours):
     """
     Convert hours into a human-readable time format (days, hours, or minutes).
     """
+    try:
+        # Ensure hours is a float
+        hours = float(hours)
+    except (ValueError, TypeError):
+        return "Invalid time data"
+
     if hours < 1:
         minutes = round(hours * 60)
         return f"{minutes} minutes" if minutes > 1 else "less than a minute"
@@ -84,7 +90,8 @@ def display_metal_nodes():
 
     nodes = fetch_all("metal_nodes")
     for node in nodes:
-        time_on_duty = calculate_time_on_duty_hours(node[7])
+        # Convert time_on_duty to a human-readable format
+        time_on_duty = calculate_time_on_duty_hours(node[7])  # Ensure index 7 corresponds to time_on_duty
         table.add_row(
             f"{node[0]}",
             node[1],
@@ -111,7 +118,8 @@ def display_virtual_machines():
 
     vms = fetch_all("virtual_machines")
     for vm in vms:
-        time_on_duty = calculate_time_on_duty_hours(vm[7])
+        # Convert time_on_duty to a human-readable format
+        time_on_duty = calculate_time_on_duty_hours(vm[7])  # Ensure index 7 corresponds to time_on_duty
         table.add_row(
             f"{vm[0]}",
             vm[1],