Update app.py

app.py

@@ -5,7 +5,7 @@ from smolagents import (
     DuckDuckGoSearchTool,
     load_tool,
     tool,
-    HfApiModel,   # <- replacement for the old InferenceClientModel
+    HfApiModel,   # replacement for InferenceClientModel
 )
 import datetime
 import re
@@ -20,12 +20,18 @@ from Gradio_UI import GradioUI
 
 # ---- Custom Tools ----
 
-
 @tool
 def get_current_time_in_timezone(
     timezone: Annotated[str, "IANA timezone like 'America/Los_Angeles'"]
 ) -> str:
-    """Return the current local time for the given timezone."""
+    """Return the current local time for the given timezone.
+
+    Args:
+        timezone (str): IANA timezone name, e.g., 'America/Los_Angeles' or 'Asia/Tokyo'.
+
+    Returns:
+        str: A human-readable string with the local time in the requested timezone.
+    """
     try:
         tz = pytz.timezone(timezone)
         local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
@@ -38,7 +44,14 @@ def get_current_time_in_timezone(
 def fetch_page_title(
     url: Annotated[str, "An http/https URL to fetch"]
 ) -> str:
-    """Fetch the page and return its <title> text."""
+    """Fetch the page and return its <title> text.
+
+    Args:
+        url (str): A valid HTTP/HTTPS URL to retrieve.
+
+    Returns:
+        str: The page title, or an error message if fetching/parsing fails.
+    """
     try:
         resp = requests.get(url, timeout=10)
         resp.raise_for_status()
@@ -53,12 +66,18 @@ def fetch_page_title(
 def echo_and_length(
     text: Annotated[str, "Any text to echo back"]
 ) -> str:
-    """Echo the text and report its character length."""
+    """Echo the text and report its character length.
+
+    Args:
+        text (str): The text to echo back.
+
+    Returns:
+        str: The echoed text and its character count.
+    """
     t = text.strip()
     return f"Echo: {t}\nLength: {len(t)}"
 
 
-
 # ---- Model & Tools wiring ----
 
 final_answer = FinalAnswerTool()
@@ -89,7 +108,7 @@ agent = CodeAgent(
     verbosity_level=1,
     grammar=None,
     planning_interval=None,
-    name="my_first_smolagents_agent",  # <- valid Python identifier (no spaces)
+    name="my_first_smolagents_agent",
     description="A tiny agent that can search, fetch titles, tell time, and generate images.",
     prompt_templates=prompt_templates,
 )