diff --git a/backend/models.py b/backend/models.py
index bf3f32d..0b75631 100644
--- a/backend/models.py
+++ b/backend/models.py
@@ -94,4 +94,4 @@ class UserPreferences(Base):
     calibration_warning_days = Column(Integer, default=30)
     status_ok_threshold_hours = Column(Integer, default=12)
     status_pending_threshold_hours = Column(Integer, default=24)
-    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
\ No newline at end of file
+    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
diff --git a/backend/services/snapshot.py b/backend/services/snapshot.py
index b8805f0..7c737b7 100644
--- a/backend/services/snapshot.py
+++ b/backend/services/snapshot.py
@@ -40,7 +40,6 @@ def emit_status_snapshot():
         # --- Merge roster entries first ---
         for unit_id, r in roster.items():
             e = emitters.get(unit_id)
-
             if r.retired:
                 # Retired units get separated later
                 status = "Retired"
@@ -60,12 +59,12 @@ def emit_status_snapshot():
                     age = "N/A"
                     fname = ""
 
-            units[unit_id] = {
-                "id": unit_id,
-                "status": status,
-                "age": age,
-                "last": last_seen.isoformat() if last_seen else None,
-                "fname": fname,
+                units[unit_id] = {
+                    "id": unit_id,
+                    "status": status,
+                    "age": age,
+                    "last": last_seen.isoformat() if last_seen else None,
+                    "fname": fname,
                 "deployed": r.deployed,
                 "note": r.note or "",
                 "retired": r.retired,
@@ -76,12 +75,12 @@ def emit_status_snapshot():
                 "deployed_with_modem_id": r.deployed_with_modem_id,
                 "ip_address": r.ip_address,
                 "phone_number": r.phone_number,
-                "hardware_model": r.hardware_model,
-                # Location for mapping
-                "location": r.location or "",
-                "address": r.address or "",
-                "coordinates": r.coordinates or "",
-            }
+                    "hardware_model": r.hardware_model,
+                    # Location for mapping
+                    "location": r.location or "",
+                    "address": r.address or "",
+                    "coordinates": r.coordinates or "",
+                }
 
         # --- Add unexpected emitter-only units ---
         for unit_id, e in emitters.items():