Update app.py

app.py

@@ -66,4 +66,4 @@ def main():
 
     uploaded_file = st.file_uploader("Choose an image", type="jpg")
 
-    if uploaded_file is not None:         # if user has uploaded file, display it in the app UI 		# along with the option to edit it 		# (i.e., erase portions of the image using a brush tool) 		# or download it after editing is complete 	     img = load_image(uploaded_file)       st.image(img, caption='Original Image', use_column_width=True)        # create "Erase" button and erase brush size slider         erase = st.button('Erase')          brushsize = st.slider('Brush Size', 0, 100, 5, key='brush')          # create "Download" button and hide it by default           download = st.button('Download')           download = download if not erase else None            # define functions for handling mouse events             def onclick(x, y):                 draw[int(y)-brushsize:int(y)+brushsize+1, int(x)-brushsize:int(x)+brushsize+1] \                     *= 0                  def ondragstart():                      pass                   def ondragmove():                      pass                   def ondragend():                      pass                    # set up event handlers for when "Erase" button is clicked              if erase:                  draw = img._numpy().copy()                  width, height = draw[:, :3].shape[1:]                  xylims=(0., width), (0., height)                   figtoolbar=dict(_visible=False),                     _onclick=onclick, _ondragstart=ondragstart(), _ondragmove=ondragmove(), _ondragend=ondragend())                    pxsz=(width/height)/100*5                 pltlytools="boxselect", "lassoselect", "pan", "wheelzoom", "reset"                figkwargs={'layout': go .Layout(*figtoolbar)}                with out:                     clear()                     show(*pltlytools)(draw[:, :3], **figkwargs))                       elif download:               return sendfiles([BytesIO((255*draw).astype('uint8'))], [f'dall-e-{time()}.png'])                        else:                       return None                                         main()
+