Fix indentation issues in main function for proper script execution

- Corrected inconsistent indentation in the main function to avoid runtime `IndentationError`.
- Ensured the MQTT client properly connects and publishes when processing images from the command line.

dayglo_detector/dayglo_detector.py

@@ -89,8 +89,8 @@ async def process_snapshot(client, payload):
         # Attempt to read the saved image with OpenCV
         image = cv2.imread(temp_image_path)
 
-                if image is not None:
-            rating = calculate_dayglo_rating(image)
+                        if image is not None:
+    rating = calculate_dayglo_rating(image)
             print("Dayglo Rating calculated:", rating)
             await publish_rating(client, rating)
         else:
@@ -119,19 +119,19 @@ async def main():
     # Handle command line argument for image file
     if len(sys.argv) > 1:
     image_file = sys.argv[1]
-        if os.path.exists(image_file):
+            if os.path.exists(image_file):
         client = DaygloDetectorMQTTClient("dayglo_detector")
         client.set_auth_credentials(MQTT_USERNAME, MQTT_PASSWORD)
-                await client.connect(MQTT_BROKER, MQTT_PORT, keepalive=60)
+                        await client.connect(MQTT_BROKER, MQTT_PORT, keepalive=60)
         print(f"Processing image from file: {image_file}")
             image = cv2.imread(image_file)
             if image is not None:
                 rating = calculate_dayglo_rating(image)
                 print("Dayglo Rating calculated from file:", rating)
-                            await publish_rating(client, rating)
+                                        await publish_rating(client, rating)
         else:
             print("Invalid image file provided.")
-            else:
+                else:
         print(f"File not found: {image_file}")
 
     # Set up MQTT client for normal operation