fix build errors

Author: KD-7

docs/changelog.rst

@@ -14,10 +14,12 @@ This file documents all notable changes to the project.
 **TrueLearn 1.1.0 (13-08-2023)**
 
 *Added*
+
 - The option to visualise the variance in Bar, Dot, Line plotters. By default this is
   enabled except in the Line plotter.
 
 *Changed*
+
 - INK classifier now uses a binary skill representation.
 - The INK Classifier can now be instantiated using a dictionary of parameters
 - Added black border to Rose Plotter to make it easier to distinguish topics of similar
@@ -27,12 +29,14 @@ This file documents all notable changes to the project.
   variance being misleading.
 
 *Fixed*
+
 - Incorrect weights used in INK prediction
 - Topic label overflow in Bubble plotter. This means that a reasonable number
   of topics (around 10 to 15) can be plotted for the default image size.
 - Wordcloud now fully supports Python 3.11
 
 *Removed*
+
 - orjson dependency, as JSON deserialisation is not our bottleneck and the additional dependency
   is not worth it.