Hi - I completed this trail and it still says "Challenge Not yet complete... here's what's wrong: 
The 'New LEAD Trend by Source' dashboard component is not a pie chart." It has already been updated to a pie chart. See below as reference. Can you please assist??? TY - KM

 https://cunning-moose-60108-dev-ed.my.salesforce.com/01Zf4000000JnMj