Minor fix, return self (#3236)

* Small fix in the code of ArcBrace

Avoiding the creation of an Arc object at import time

* Replace last `os.path` occurrencies by `pathlib` (#3224)

This resolves [last
comment](#485 (comment))
of #485.

Removes one line of dead code.

Co-authored-by: Benjamin Hackl <[email protected]>

* Made docbuild errors easier to debug + fixed error from changed exception class (#3229)

* Make errors during docbuild somewhat easier to debug

* fix an issue with docbuild under py3.10+

* Make set_resampling_algorithm() return self

---------

Co-authored-by: Benjamin Hackl <[email protected]>
Co-authored-by: Adrien ANTON LUDWIG <[email protected]>

Author: 3 people

manim/mobject/types/image_mobject.py

@@ -84,6 +84,7 @@ def set_resampling_algorithm(self, resampling_algorithm: int):
                 "Available algorithms: 'bicubic', 'nearest', 'box', 'bilinear', "
                 "'hamming', 'lanczos'.",
             )
+        return self
 
     def reset_points(self):
         # Corresponding corners of image are fixed to these 3 points