No perdiction made when correct data is input

[Catsislandwoahs]

Things to check

• Have you forced a refresh in your browser (e.g. ctrl+F5 in Chrome/Firefox)?
  • yes
• Have you made sure the first time buyer option is correct? If you're unsure, try it both ways
  • yes
• Have you time-travelled this week? Travelling backwards resets the prices, and therefore you must not put prices in from both before & after the time-travel
  • no

Describe the bug
Correct data but no perdition

To Reproduce
Steps to reproduce the behavior:

1. Go to the input page put 81 on Monday AM, 72 on PM.
2. Click on Wednesday skipping Tuesday and put 129 on AM
3. Scroll down to the chart
4. See error

Permalink to your prices
20259030

Expected behavior
I expected to see the the prediction chart

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6] Android
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari] chrome
• Version [e.g. 22]

Additional context
Add any other context about the problem here.