Fix code review issues: remove unused imports and fix exception handling

Co-authored-by: ferdzo <6640598+ferdzo@users.noreply.github.com>

create_user.py

@@ -26,7 +26,7 @@ os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'iotDashboard.settings')
 # Import Django settings and configure password hasher manually
 from django.conf import settings
 if not settings.configured:
-    from iotDashboard.settings import *
+    from iotDashboard.settings import SECRET_KEY
     settings.configure(
         PASSWORD_HASHERS=[
             'django.contrib.auth.hashers.PBKDF2PasswordHasher',

iotDashboard/dashboard_models.py

@@ -10,7 +10,6 @@ PostgreSQL is chosen over Redis because:
 """
 
 from django.db import models
-from django.utils import timezone
 
 
 class DashboardLayout(models.Model):

iotDashboard/health_insights.py

@@ -7,7 +7,7 @@ Shows how weather and air quality affect health metrics.
 
 from typing import Dict, List, Optional
 from dataclasses import dataclass
-from datetime import datetime, timedelta
+from datetime import datetime
 
 
 @dataclass

iotDashboard/run_suitability.py

@@ -5,7 +5,7 @@ Combines weather, air quality, and health data to determine if conditions are su
 Provides time-based recommendations and personalized insights.
 """
 
-from typing import Dict, List, Optional, Tuple
+from typing import List, Optional, Tuple
 from dataclasses import dataclass
 from datetime import datetime, time
 

services/gpt_service/gpt_service.py

@@ -405,7 +405,7 @@ Keep all text concise: summary under 50 words, each item under 20 words.""",
             try:
                 dt = datetime.fromisoformat(current_time.replace('Z', '+00:00'))
                 time_str = dt.strftime("%A, %B %d at %I:%M %p")
-            except:
+            except (ValueError, AttributeError):
                 time_str = current_time
             context_sections.append(f"Current Time: {time_str}")