Fix request header

app.py

@@ -38,7 +38,8 @@ def process_request(url, question, press_name, pipe_name, compression_ratio):
 
     # Fetch the Wikipedia article
     try:
-        content = requests.get(url).content
+        headers = {'User-Agent': 'kvpress/1.0 (https://github.com/NVIDIA/kvpress; [email protected]) requests/2.31.0'}
+        content = requests.get(url, headers=headers).content
     except requests.exceptions.RequestException as e:
         return f"Error fetching the Wikipedia article: {str(e)}", -1, -1
 
@@ -46,6 +47,8 @@ def process_request(url, question, press_name, pipe_name, compression_ratio):
         # Parse the Wikipedia HTML
         soup = BeautifulSoup(content, "html.parser")
         context = "".join([p.text for p in soup.find_all("p")]) + "\n\n"
+        if content == "\n\n":
+            return f"Error parsing the Wikipedia article", -1, -1
 
         # Initialize the press
         press = press_dict[press_name](compression_ratio)