Update app.py

app.py

@@ -29,8 +29,16 @@ else:
     pipe = pipe.to(device)
 
 def translate(text,lang):
+    
+    if text == None or lang == None:
+        return ""
+        
     text = re.sub(f'[{string.punctuation}]', '', re.sub('[\s+]', ' ', text)).lower().strip()
     lang = re.sub(f'[{string.punctuation}]', '', re.sub('[\s+]', ' ', lang)).lower().strip()
+    
+    if text == "" or lang == "":
+        return ""
+        
     user_agents = [
         'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36',
         'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/126.0.0.0 Safari/537.36',
@@ -40,7 +48,9 @@ def translate(text,lang):
         'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Safari/605.1.15',
         'Mozilla/5.0 (Macintosh; Intel Mac OS X 13_1) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.1 Safari/605.1.15'
     ]
+
     url = 'https://www.google.com/search'
+
     resp = requests.get(
         url = url,
         params = {'q': f'{lang} translate {text}'},
@@ -48,6 +58,7 @@ def translate(text,lang):
             'User-Agent': random.choice(user_agents)
         }
     )
+    
     content = resp.content
     html = fromstring(content)