Update app.py

app.py

@@ -1,5 +1,5 @@
 from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
-import datetime
+from datetime import datetime
 import requests
 import pytz
 import yaml
@@ -8,22 +8,43 @@ from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
 
 import os
-if not os.getenv("HF_TOKEN"):
-    print("Error: HF_TOKEN is not set or is empty.")
-else:
-    print("HF_TOKEN is set.")
+from smolagents import LiteLLMModel
+
+def get_time_in_seconds(timezone_name: str) -> int:
+    """
+    Returns the current time in the given timezone as seconds since epoch.
+    
+    Args:
+        timezone_name (str): Name of the timezone (e.g., 'America/New_York')
+        
+    Returns:
+        int: Seconds since the Unix epoch in the given timezone.
+    """
+    tz = pytz.timezone(timezone_name)
+    now = datetime.now(tz)
+    # Convert to UTC then to timestamp (seconds since epoch)
+    return int(now.astimezone(pytz.utc).timestamp())
+
 
-# Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
-    #Keep this format for the description / args / args description but feel free to modify the tool
+def calculate_time_difference(timezone: str, other_timezone: str)-> float: 
+    
     """A tool that does nothing yet 
     Args:
-        arg1: the first argument
-        arg2: the second argument
+        timezone: the reference timezone
+        other_timezone: the timezone to compare against the reference
+    Returns:
+        int: the time difference between the two timezones in hours, negative value means the other tiemzone is behind
     """
-    return "What magic will you build ?"
 
+    time1_seconds = get_time_in_seconds(timezone)
+    time2_seconds = get_time_in_seconds(other_timezone)
+    diff = time1_seconds - time2_seconds
+    
+    hours = diff/3600
+    
+    return hours
+    
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
@@ -43,7 +64,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
 final_answer = FinalAnswerTool()
 
 # If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
-# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
+model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud' 
 
 model = HfApiModel(
 max_tokens=2096,
@@ -53,6 +74,8 @@ custom_role_conversions=None,
 )
 
 
+model = LiteLLMModel(model_id="gemini/gemini-2.0-flash-lite", api_key=os.getenv(key="GEMINI_API_KEY"))
+
 # Import tool from Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)