form syntax

app.py

@@ -68,7 +68,7 @@ sample_image = sample_images[0 if select_idx is None else select_idx]
 uploaded_image = None
 # with st.sidebar.form("file-uploader-form", clear_on_submit=True):
 uploaded_file = st.file_uploader("Choose a file")
-submitted = st.form_submit_button("Submit")
+# submitted = st.form_submit_button("Submit")
 if uploaded_file is not None and submitted:
     uploaded_image = Image.open(io.BytesIO(uploaded_file.getvalue()))
     select_idx = None # set this to help rewrite the cache