File ~AppDataRoamingPythonPython38site-packagesmatplotlibcolorspy286 in _to_rgba_no_colorcycle raise ValueErrorRGBA sequence should have length 3 or 4ValueError RGBA sequence should have length 3 o

The error message "RGBA sequence should have length 3 or 4" is raised in the file "matplotlib/colors.py" at line 286. This error occurs when trying to convert a color specification to RGBA (Red, Green, Blue, Alpha) format, but the input sequence does not have a length of 3 or 4.

To resolve this error, you need to ensure that the input color sequence has a length of either 3 or 4. The RGBA sequence should consist of floating-point values between 0 and 1, where the first three values represent the RGB color channels and the fourth value (optional) represents the alpha channel for transparency.

For example, a valid RGBA sequence could be (0.5, 0.3, 0.9, 1.0), where the first three values represent RGB values and the last value represents full opacity