Partial revert to the old version.

camel/functions/weather_functions.py

@@ -18,9 +18,6 @@
 
 from camel.functions import OpenAIFunction
 
-# Define a constant for error message
-ERROR_MESSAGE = "Unexpected error occurred while fetching"
-
 
 def get_openweathermap_api_key() -> str:
     """
@@ -103,8 +100,8 @@ def get_current_weather(city: str, units: str = 'kelvin') -> dict:
         # Catch any unexpected exceptions
         return {
             "error":
-            f"{ERROR_MESSAGE} weather for {city}. \
-                Reason: {str(e)}"
+            f"Unexpected error occurred while fetching weather \
+                for {city}. Reason: {str(e)}"
         }
 
 
@@ -152,8 +149,8 @@ def get_current_wind(city: str, units: str = 'meters_sec') -> dict:
         # Catch any unexpected exceptions
         return {
             "error":
-            f"{ERROR_MESSAGE} wind data for {city}. \
-                Reason: {str(e)}"
+            f"Unexpected error occurred while fetching wind data \
+                 for {city}. Reason: {str(e)}"
         }
 
 
@@ -201,8 +198,8 @@ def get_current_visibility_distance(city: str, units: str = 'meters') -> dict:
         # Catch any unexpected exceptions
         return {
             "error":
-            f"{ERROR_MESSAGE} visibility distance for {city}. \
-                Reason: {str(e)}"
+            f"Unexpected error occurred while fetching \
+                visibility distance for {city}. Reason: {str(e)}"
         }
 
 
@@ -247,7 +244,7 @@ def get_sunrise_sunset(city: str, units: str = 'unix') -> Dict[str, str]:
         # Handle any exceptions that may occur during the request
         return {
             "error":
-            f"{ERROR_MESSAGE} sunrise and sunset times for \
+            f"Failed to fetch sunrise and sunset times for \
                 {city}. Reason: {str(e)}"
         }