removed form for file_uploader

app.py

@@ -66,12 +66,12 @@ 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")
-    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
+# 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")
+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
 
 # class OnChange():
 #     def __init__(self, idx):