Update app.py

app.py

@@ -8,7 +8,7 @@ def main():
 
     with st.form("text_field"):
         file = st.file_uploader("Upload image", type=["jpg", "png"] )
-        img = Image.open(image_file)
+        img = Image.open(file)
         image = st.image(img)
         text_input = st.text_input("Enter some question :")
         # clicked==True only when the button is clicked