fix for python build

Author: pospielov

embedding-calculator/requirements.txt

@@ -5,7 +5,7 @@ flasgger==0.9.5
 Flask==1.1.2
 itsdangerous==2.0.1 # itsdangerous is a Flask dependency, update it with Flask
 jinja2<3.1.0 # jinja2 is a Flask dependency, update it with Flask
-gdown~=4.3.0
+gdown~=4.5.4
 Werkzeug==1.0.1
 PyYAML==5.4.1