Update app.py

app.py

@@ -9,21 +9,15 @@ import gradio as gr
 
 @tool
 def fetch_latest_research_papers(keywords: list, num_results: int = 5) -> list:
-    """
-    Fetches the latest research papers from Google Scholar based on provided keywords.
-
+    """Fetches the latest research papers from Google Scholar based on provided keywords.
     Args:
-        keywords (list of str): A list of keywords to search for relevant papers.
-        num_results (int): The number of papers to fetch. Default is 5.
-
-    Returns:
-        list: A list of dictionaries containing paper details.
+        keywords: A list of keywords to search for relevant papers.
+        num_results: The number of papers to fetch (default is 5).
     """
     try:
         print(f"DEBUG: Searching papers with keywords: {keywords}")  # Debug input
-        query = " ".join(keywords)
+        query = " ".join([kw.strip() for kw in keywords if kw.strip()])  # Ensure clean query
         search_results = scholarly.search_pubs(query)
-
         papers = []
         for _ in range(num_results * 2):  # Fetch extra papers to ensure we get recent ones
             paper = next(search_results, None)
@@ -59,8 +53,6 @@ def fetch_latest_research_papers(keywords: list, num_results: int = 5) -> list:
         return [f"Error fetching research papers: {str(e)}"]
 
 
-
-
 final_answer = FinalAnswerTool()
 
 model = HfApiModel(
@@ -86,13 +78,17 @@ agent = CodeAgent(
 )
 
 def search_papers(user_input):
-    keywords = user_input.split(",")  # Split input by commas for multiple keywords
+    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
     
+    if not keywords:
+        print("DEBUG: No valid keywords provided.")
+        return "Error: Please enter at least one valid keyword."
+    
     results = fetch_latest_research_papers(keywords, num_results=1)
     print(f"DEBUG: Results received - {results}")  # Debug function output
     
-    if isinstance(results, list) and results:
+    if isinstance(results, list) and results and isinstance(results[0], dict):
         return "\n\n".join([f"**Title:** {paper['title']}\n**Authors:** {paper['authors']}\n**Year:** {paper['year']}\n**Abstract:** {paper['abstract']}\n[Read More]({paper['link']})" for paper in results])
     
     print("DEBUG: No results found.")
@@ -109,8 +105,6 @@ with gr.Blocks() as demo:
     search_button.click(search_papers, inputs=[keyword_input], outputs=[output_display])
 
     
-
     print("DEBUG: Gradio UI is running. Waiting for user input...")
 
-
 demo.launch()