Update app.py

app.py

@@ -24,6 +24,7 @@ model.eval()
 def generate(text, max_length):
     enc = tiktoken.get_encoding("gpt2")
     tokens = enc.encode(text)
+    tokens = torch.tensor(tokens)
     tokens = torch.tensor(tokens, dtype= torch.long) # (len,) #check tiktoken app
     tokens = tokens.unsqueeze(0).repeat(num_return_sequences, 1) # (1, len)
     x = tokens.to(device)