fix

searcher/sementic_search.py

@@ -31,10 +31,15 @@ def extract(text, type):
             return text
     else:
         return ""
-    
+
 def download(url):
     try:
-        response = requests.get(url)
+        headers = {
+            'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) '
+                          'AppleWebKit/537.36 (KHTML, like Gecko) '
+                          'Chrome/87.0.4280.88 Safari/537.36'
+        }  # Mimic a common browser's User-Agent
+        response = requests.get(url,headers=headers,timeout=120)
         if response.status_code == 200:
             return response.content
         else: