small changes

app.py

@@ -2,12 +2,14 @@ import gradio as gr
 from transformers import pipeline, set_seed
 from transformers import BioGptTokenizer, BioGptForCausalLM
 
+
+model = BioGptForCausalLM.from_pretrained("microsoft/biogpt")
+tokenizer = BioGptTokenizer.from_pretrained("microsoft/biogpt")
+generator = pipeline('text-generation', model=model, tokenizer=tokenizer)
+set_seed(42)
+
 def biogpt_promot(inpt):
-    model = BioGptForCausalLM.from_pretrained("microsoft/biogpt")
-    tokenizer = BioGptTokenizer.from_pretrained("microsoft/biogpt")
-    generator = pipeline('text-generation', model=model, tokenizer=tokenizer)
-    set_seed(42)
-    return generator("COVID-19 is", max_length=20, num_return_sequences=5, do_sample=True)
+    return generator(inpt, max_length=20, num_return_sequences=5, do_sample=True)
 
 
 #def hello(name):