fixing bugs with ci pipeline

backend/app/data/data.py

@@ -8,7 +8,6 @@ from app.models import (
     Sample,
     DewarType,
     DewarSerialNumber,
-    Slot,
     SampleEvent,
 )
 from datetime import datetime, timedelta
@@ -526,7 +525,8 @@ event_types = ["Mounted", "Failed", "Unmounted", "Lost"]
 
 
 def generate_sample_events(samples, chance_no_event=0.2, chance_lost=0.1):
-    """Generate events for samples with timestamps increasing between different samples."""
+    """Generate events for samples with timestamps
+    increasing between different samples."""
 
     events = []
     # Set the start time to yesterday at 9:33 AM