update schedule with video link

Author: dacb

_data/schedule.yml

@@ -5,8 +5,7 @@
         Python, part 2 ([video](https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=97d89dfe-4e9b-4691-bd67-b3cb00060ecf))
 -   thursday: |
         **January 8**:
-        
-        [Python, part 4](https://github.com/UWDIRECT/UWDIRECT.github.io/blob/master/datasets/Lecture_2_545_546_student_copy_post_class.ipynb?raw=true)
+        [Python, part 4](https://github.com/UWDIRECT/UWDIRECT.github.io/blob/master/datasets/Lecture_2_545_546_student_copy_post_class.ipynb?raw=true)([video](https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=852d1865-eb00-4b8e-b387-b3cc0175202b))
 
         [software tour, software installation checklist](http://uwdirect.github.io/software.html)