TextClip performance severely degraded in v2.2.1

[chenxinhua]

TextClip performance severely degraded in v2.2.1 (orders of magnitude slower)

[mgaitan]

do you have a example / test/ benchmark ?

[keikoro]

Please always include your specs like we ask for in our issue templates – MoviePy version, platform used etc. – as well as code samples for reproducability and complete logs for errors where applicable (code-formatted text only, no screenshots). Thank you.