Update app.py

app.py

@@ -65,7 +65,7 @@ def generate_answers(img=None, aud = None, q = None, max_tokens = 30):
         audio_embeds = phi2_model.model.embed_tokens(audio_tokens.to(config.get("device")))
         inputs_embeddings.append(audio_embeds)
         
-    if q is not None:
+    if q!='':
         ques = tokenizer(q, return_tensors="pt", return_attention_mask=False)['input_ids']
         q_embeds = phi2_model.model.embed_tokens(ques.to(config.get("device")))
         inputs_embeddings.append(q_embeds)