Update app.py

app.py

@@ -8,13 +8,30 @@ import gradio as gr
 # ----- Tools -----
 @tool
 def my_custom_tool(arg1: str, arg2: int) -> str:
-    """A tool that creates a personalized greeting repeated multiple times."""
+    """
+    Creates a personalized greeting repeated multiple times.
+
+    Args:
+        arg1 (str): The name or phrase to greet.
+        arg2 (int): The number of times to repeat the greeting.
+
+    Returns:
+        str: The repeated greeting.
+    """
     greeting = f"Hello, {arg1}!"
     return " ".join([greeting] * arg2)
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
-    """Fetches the current local time in a specified timezone."""
+    """
+    Fetches the current local time in a specified timezone.
+
+    Args:
+        timezone (str): A valid timezone string (e.g., 'America/New_York').
+
+    Returns:
+        str: The current time in that timezone or an error message.
+    """
     try:
         tz = pytz.timezone(timezone)
         local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
@@ -31,14 +48,23 @@ with open("prompts.yaml", 'r') as stream:
 # Load additional tools from Hugging Face Hub
 image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
 
-# ----- Function to initialize agent dynamically -----
+# ----- Agent Initialization -----
 def initialize_agent(api_key: str):
+    """
+    Initializes the CodeAgent with the user-provided OpenAI API key.
+
+    Args:
+        api_key (str): OpenAI API key provided by the user.
+
+    Returns:
+        CodeAgent: The initialized agent ready to use.
+    """
     model = OpenAIServerModel(
         max_tokens=2096,
         temperature=0.5,
         model_id="gpt-4o",
         custom_role_conversions=None,
-        openai_api_key=api_key  # Pass the user-provided API key
+        openai_api_key=api_key
     )
 
     agent = CodeAgent(
@@ -55,12 +81,21 @@ def initialize_agent(api_key: str):
 
     return agent
 
-# ----- Gradio UI -----
+# ----- Gradio Interface -----
 def launch_agent(api_key: str):
+    """
+    Launches the Gradio interface for the CodeAgent after receiving the API key.
+
+    Args:
+        api_key (str): User's OpenAI API key.
+
+    Returns:
+        None
+    """
     agent = initialize_agent(api_key)
     return GradioUI(agent).launch(share=True)
 
-# Interface for the user to enter their OpenAI API key
+# Gradio input for API key
 iface = gr.Interface(
     fn=launch_agent,
     inputs=gr.Textbox(label="Enter your OpenAI API Key", type="password"),