Update app.py

app.py

@@ -8,24 +8,24 @@ from smolagents import CodeAgent, HfApiModel, tool
 @tool
 def fetch_latest_arxiv_papers(keywords: list, num_results: int = 3) -> list:
     """
-    Fetches the latest research papers from arXiv based on provided keywords.
+    Fetch the latest research papers from arXiv.
 
-    Args:
-        keywords (list): A list of keywords to search for relevant papers.
-        num_results (int): The number of papers to fetch (default is 3).
+    Parameters:
+        keywords (list of str): A list of search keywords. Each keyword is used to filter relevant papers.
+        num_results (int): The maximum number of research papers to fetch. Default is 3.
 
     Returns:
-        list: A list of dictionaries, each containing:
-            - "title": The paper title
-            - "authors": A string of authors
-            - "year": Year of publication
-            - "abstract": Summary of the paper
-            - "link": URL to the full paper
+        list of dict: A list of dictionaries, where each dictionary contains:
+            - title (str): The title of the research paper.
+            - authors (str): The authors of the paper.
+            - year (str): The publication year.
+            - abstract (str): A summary of the research paper.
+            - link (str): A direct link to the paper on arXiv.
     """
     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:
 
     except Exception as e:
         print(f"ERROR: {str(e)}")  # Debug errors
-        return [f"Error fetching research papers: {str(e)}"]
+        return [{"error": f"Error fetching research papers: {str(e)}"}]
 
 model = HfApiModel(
     max_tokens=2096,