Update app.py

app.py

@@ -36,6 +36,10 @@ def the_process(input_text, model_choice):
     global pythonFlag
     global javaFlag
     global output
+    global model
+    global tokenizer
+    global tokenizerJava
+    global modelJava
     if(model_choice == 5):
       if(pythonFlag == "false"):
         tokenizer = AutoTokenizer.from_pretrained("nadiamaqbool81/llama-2-7b-int4-python-code-510")