Update app.py

app.py

@@ -60,7 +60,7 @@ def write_articles_to_csv(articles, filename="articles.csv"):
         writer = csv.writer(file)
         writer.writerow(['', 'Authors', 'Year', 'Title', 'DOI', 'Abstract', 'Journal'])
         for article in articles:
-        writer.writerow(['[]', article['Authors'], article['Year'], article['Title'], article['DOI'], article['Abstract'], article['Journal']])
+            writer.writerow(['[]', article['Authors'], article['Year'], article['Title'], article['DOI'], article['Abstract'], article['Journal']])
 
     print(f"Articles written to {filename}: {len(articles)}")
 
@@ -71,7 +71,7 @@ def articles_to_csv_string(articles):
         writer.writerow(['Year', 'Title', 'Abstract', 'DOI'])
     for article in articles:
         # writer.writerow([article['Authors'], article['Year'], article['Title'], article['DOI'], article['Abstract'], article['Journal']])
-        writer.writerow([article['Year'], article['Title'], article['Abstract'], article['DOI']])    
+            writer.writerow([article['Year'], article['Title'], article['Abstract'], article['DOI']])    
     output.seek(0)
     return output.getvalue()