tst: against libsass upgrade

Author: mmcky

environment.yml

@@ -7,20 +7,12 @@ dependencies:
   - pip
   - pip:
     - jupyter-book==1.0.3
-    # - docutils==0.17.1
-    - quantecon-book-theme==0.7.4
+    - git+https://github.com/QuantEcon/quantecon-book-theme@update-libsass-win
     - sphinx-tojupyter==0.3.0
     - sphinxext-rediraffe==0.2.7
     - sphinx-exercise==1.0.1
     - ghp-import==2.1.0
     - sphinxcontrib-youtube==1.3.0  #Version 1.3.0 is required as quantecon-book-theme is only compatible with sphinx<=5
     - sphinx-togglebutton==0.3.2
-    # Github Actions Bug
-    - requests
-    # Docker Requirements
-    - pytz
-    # Additional Requirements
-    - array-to-latex
-    - prettytable