Update app.py

app.py

@@ -1,61 +1,45 @@
+# app.py
 from smolagents import CodeAgent, DuckDuckGoSearchTool, load_tool, tool
-from smolagents.models import HuggingFaceLLM  # ✅ unified model class in latest versions
+from smolagents.models import HuggingFaceLLM  # unified model class in latest versions
 import datetime
-import requests
 import pytz
 import yaml
-from tools.final_answer import FinalAnswerTool
 
+# Weather-related imports
 import openmeteo_requests
 import pandas as pd
 import requests_cache
 from retry_requests import retry
 
+from tools.final_answer import FinalAnswerTool
 from Gradio_UI import GradioUI
 
 
-# ===== Custom Tools =====
-
+# Example tool: fetch hourly temperature from Open-Meteo API
 @tool
-def hourly_temperature(latitude: float, longitude: float) -> str:
-    """Fetch hourly temperature from Open-Meteo API for a given location.
-    Args:
-        latitude: Latitude of the location.
-        longitude: Longitude of the location.
-    """
-    try:
-        cache_session = requests_cache.CachedSession('.cache', expire_after=3600)
-        retry_session = retry(cache_session, retries=5, backoff_factor=0.2)
-        openmeteo = openmeteo_requests.Client(session=retry_session)
-
-        url = "https://api.open-meteo.com/v1/forecast"
-        params = {
-            "latitude": latitude,
-            "longitude": longitude,
-            "hourly": "temperature_2m",
-        }
-        responses = openmeteo.weather_api(url, params=params)
-        response = responses[0]
-
-        hourly = response.Hourly()
-        hourly_temperature_2m = hourly.Variables(0).ValuesAsNumpy()
-        timestamps = pd.to_datetime(hourly.Time(), unit="s")
-
-        data = pd.DataFrame({
-            "time": timestamps,
-            "temperature_2m": hourly_temperature_2m
-        })
-
-        latest_temp = data.iloc[-1]["temperature_2m"]
-        return f"The latest recorded temperature at ({latitude}, {longitude}) is {latest_temp:.1f}°C."
-
-    except Exception as e:
-        return f"Error fetching weather data: {str(e)}"
-
-
+def hourly_temperature(lat: float, lon: float) -> pd.Series:
+    """Fetch hourly temperature for given latitude and longitude."""
+    cache_session = requests_cache.CachedSession('.cache', expire_after=3600)
+    retry_session = retry(cache_session, retries=5, backoff_factor=0.2)
+    client = openmeteo_requests.Client(session=retry_session)
+
+    url = "https://api.open-meteo.com/v1/forecast"
+    params = {
+        "latitude": lat,
+        "longitude": lon,
+        "hourly": "temperature_2m",
+    }
+    response = client.weather_api(url, params=params)
+    hourly_data = response.Hourly()
+    temp_series = hourly_data.Variables(0).ValuesAsNumpy()
+
+    return pd.Series(temp_series, name="temperature_2m")
+
+
+# Tool: get current time in timezone
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
-    """Fetch the current local time in a specified timezone."""
+    """Return current time in the specified timezone."""
     try:
         tz = pytz.timezone(timezone)
         local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
@@ -64,32 +48,46 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 
-# ===== Model and Agent Setup =====
-
+# Final answer tool
 final_answer = FinalAnswerTool()
 
+
+# HuggingFace LLM model
 model = HuggingFaceLLM(
-    model_id="Qwen/Qwen2.5-Coder-32B-Instruct",
+    max_tokens=2096,
     temperature=0.5,
-    max_new_tokens=2048
+    model_id='Qwen/Qwen2.5-Coder-32B-Instruct',  # can switch to another HF endpoint if overloaded
+    custom_role_conversions=None,
 )
 
+
+# Load a remote tool from HuggingFace Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
+
+# Load prompt templates
 with open("prompts.yaml", "r") as stream:
     prompt_templates = yaml.safe_load(stream)
 
+
+# Create the agent
 agent = CodeAgent(
     model=model,
-    tools=[final_answer, hourly_temperature, get_current_time_in_timezone, image_generation_tool],
+    tools=[final_answer, hourly_temperature, get_current_time_in_timezone],
     max_steps=6,
     verbosity_level=1,
+    grammar=None,
+    planning_interval=None,
+    name=None,
+    description=None,
     prompt_templates=prompt_templates
 )
 
 
-# ===== Run the Agent =====
-if __name__ == "__main__":
-    print(hourly_temperature(-1.95, 30.05))
-    print(get_current_time_in_timezone("Africa/Kigali"))
-    GradioUI(agent).launch()
+# Example calls (optional, can remove in prod)
+hourly_temperature(32.9, 15)
+get_current_time_in_timezone("Africa/Kigali")
+
+
+# Launch the Gradio UI
+GradioUI(agent).launch()