Update app.py

app.py

@@ -31,7 +31,7 @@ def change_state():
         st.session_state['upload_choice'] = 'file_up'
 
 # User toggle for file_uploader vs webcam
-# st.toggle(label="Webcam",  help="Click on to use webcam, off to upload a file", on_change=change_state)   
+st.toggle(label="Webcam",  help="Click on to use webcam, off to upload a file", on_change=change_state)   
 
 # Use state to know whether to show file_uploader or webcam
 if st.session_state['upload_choice'] == 'file_up':
@@ -42,7 +42,7 @@ if st.session_state['upload_choice'] == 'file_up':
         st.session_state['number_of_files'] = 0
 else:
     img = st.camera_input(label="Webcam")
-    if captured_photo is not None:
+    if img is not None:
         st.session_state['number_of_files'] = 1
     else:
         st.session_state['number_of_files'] = 0