Some mypy issues

[wd60622]

Some mypy issues:

pymc_marketing/mmm/transformers.py:542: error: Argument 2 to "logistic_saturation" has incompatible type "ndarray[tuple[int, ...], dtype[floating[Any]]] | float"; expected "ndarray[tuple[int, ...], dtype[float64]] | float"  [arg-type]
pymc_marketing/clv/utils.py:383: error: No overload variant of "timedelta64" matches argument types "int", "str"  [call-overload]
pymc_marketing/clv/utils.py:383: note: Possible overload variants:
pymc_marketing/clv/utils.py:383: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, _TD64ItemT_co | timedelta64[_TD64ItemT_co], /) -> timedelta64[_TD64ItemT_co]
pymc_marketing/clv/utils.py:383: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self) -> timedelta64[Literal[0]]
pymc_marketing/clv/utils.py:383: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, Literal['NAT', 'NaT', 'nat', b'NAT', b'NaT', b'nat'] | None, Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex], /) -> timedelta64[None]
pymc_marketing/clv/utils.py:383: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, timedelta, Literal['ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex], /) -> timedelta64[int]
pymc_marketing/clv/utils.py:383: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, int, Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex] = ..., /) -> timedelta64[int]
pymc_marketing/clv/utils.py:383: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, timedelta | int, Literal['W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us'] | tuple[Literal['W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us'], SupportsIndex] = ..., /) -> timedelta64[timedelta]
pymc_marketing/clv/utils.py:383: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, int | bytes | str | timedelta | None, Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex] = ..., /) -> timedelta64[_TD64ItemT_co]
pymc_marketing/clv/utils.py:389: error: No overload variant of "timedelta64" matches argument types "int", "str"  [call-overload]
pymc_marketing/clv/utils.py:389: note: Possible overload variants:
pymc_marketing/clv/utils.py:389: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, _TD64ItemT_co | timedelta64[_TD64ItemT_co], /) -> timedelta64[_TD64ItemT_co]
pymc_marketing/clv/utils.py:389: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self) -> timedelta64[Literal[0]]
pymc_marketing/clv/utils.py:389: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, Literal['NAT', 'NaT', 'nat', b'NAT', b'NaT', b'nat'] | None, Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex], /) -> timedelta64[None]
pymc_marketing/clv/utils.py:389: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, timedelta, Literal['ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex], /) -> timedelta64[int]
pymc_marketing/clv/utils.py:389: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, int, Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex] = ..., /) -> timedelta64[int]
pymc_marketing/clv/utils.py:389: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, timedelta | int, Literal['W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us'] | tuple[Literal['W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us'], SupportsIndex] = ..., /) -> timedelta64[timedelta]
pymc_marketing/clv/utils.py:389: note:     def [_TD64ItemT_co: timedelta | int | None] __init__(self, int | bytes | str | timedelta | None, Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'] | tuple[Literal['Y', 'M', b'Y', b'M', 'W', 'D', b'W', b'D', 'h', 'm', 's', 'ms', 'us', 'μs', b'h', b'm', b's', b'ms', b'us', 'ns', 'ps', 'fs', 'as', b'ns', b'ps', b'fs', b'as'], SupportsIndex] = ..., /) -> timedelta64[_TD64ItemT_co]
pymc_marketing/mmm/plot.py:276: error: List comprehension has incompatible type List[tuple[Sequence[Any], ...]]; expected List[tuple[int, int]]  [misc]
pymc_marketing/mmm/base.py:559: error: Argument "alpha" to "_add_hdi_to_plot" of "MMMModelBuilder" has incompatible type "floating[Any]"; expected "float"  [arg-type]
Found 5 errors in 4 files (checked 40 source files)

Originally posted by @wd60622 in #1260 (comment)

[nataziel]

had some spare time this arvo so popped a quick fix in for the mypy error in base.py. Will try fix a few more when I have time.