Updated the app.py with comments

app.py

@@ -23,7 +23,7 @@ def fetch_latest_arxiv_papers(keywords: list, num_results: int = 3) -> list:
     try:
         print(f"DEBUG: Searching arXiv papers with keywords: {keywords}")  # Debug input
         
-        # ✅ Properly format query with +AND+ for multiple keywords
+        #Properly format query with +AND+ for multiple keywords
         query = "+AND+".join([f"all:{kw}" for kw in keywords])  
         query_encoded = urllib.parse.quote(query)  # Encode spaces and special characters
         
@@ -49,7 +49,7 @@ def fetch_latest_arxiv_papers(keywords: list, num_results: int = 3) -> list:
         print(f"ERROR: {str(e)}")  # Debug errors
         return [f"Error fetching research papers: {str(e)}"]
 
-# ✅ Define the AI Model
+# AI Model
 model = HfApiModel(
     max_tokens=2096,
     temperature=0.5,
@@ -57,11 +57,11 @@ model = HfApiModel(
     custom_role_conversions=None,
 )
 
-# ✅ Load prompt templates
+# Load prompt templates
 with open("prompts.yaml", 'r') as stream:
     prompt_templates = yaml.safe_load(stream)
 
-# ✅ Create the AI Agent
+# Create the AI Agent
 agent = CodeAgent(
     model=model,
     tools=[fetch_latest_arxiv_papers],  # Properly registered tool
@@ -74,7 +74,7 @@ agent = CodeAgent(
     prompt_templates=prompt_templates
 )
 
-# ✅ Define Gradio Search Function
+# Define Gradio Search Function
 def search_papers(user_input):
     keywords = [kw.strip() for kw in user_input.split(",") if kw.strip()]  # Ensure valid keywords
     print(f"DEBUG: Received input keywords - {keywords}")  # Debug user input
@@ -95,7 +95,7 @@ def search_papers(user_input):
     print("DEBUG: No results found.")
     return "No results found. Try different keywords."
 
-# ✅ Create Gradio UI
+# Create Gradio UI
 with gr.Blocks() as demo:
     gr.Markdown("# arXiv Research Paper Fetcher")
     keyword_input = gr.Textbox(label="Enter keywords (comma-separated)", placeholder="e.g., deep learning, reinforcement learning")
@@ -106,5 +106,5 @@ with gr.Blocks() as demo:
 
     print("DEBUG: Gradio UI is running. Waiting for user input...")
 
-# ✅ Launch Gradio App
+# Launch Gradio App
 demo.launch()