Update app.py

app.py

@@ -3,17 +3,21 @@ import yaml
 import feedparser
 import gradio as gr
 
-@tool
+import urllib.parse  # Import URL encoder
+
 def fetch_latest_arxiv_papers(keywords: list, num_results: int = 1) -> list:
-    """Fetches the latest research papers from arXiv based on provided keywords.
-    Args:
-        keywords: A list of keywords to search for relevant papers.
-        num_results: The number of papers to fetch (default is 5).
-    """
+    """Fetches the latest research papers from arXiv based on provided keywords."""
     try:
         print(f"DEBUG: Searching arXiv papers with keywords: {keywords}")  # Debug input
-        query = "+".join(keywords)
-        url = f"http://export.arxiv.org/api/query?search_query=all:{query}&start=0&max_results={num_results}&sortBy=submittedDate&sortOrder=descending"
+        
+        # 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
+        
+        url = f"http://export.arxiv.org/api/query?search_query={query_encoded}&start=0&max_results={num_results}&sortBy=submittedDate&sortOrder=descending"
+        
+        print(f"DEBUG: Query URL - {url}")  # Debug URL
+        
         feed = feedparser.parse(url)
 
         papers = []
@@ -28,6 +32,10 @@ def fetch_latest_arxiv_papers(keywords: list, num_results: int = 1) -> list:
 
         return papers
 
+    except Exception as e:
+        print(f"ERROR: {str(e)}")  # Debug errors
+        return [f"Error fetching research papers: {str(e)}"]]
+
     except Exception as e:
         print(f"ERROR: {str(e)}")  # Debug errors
         return [f"Error fetching research papers: {str(e)}"]