Type of "weights" is partially unknown   Type of "weights" is "(i: float | Unknown, n: float | Unknown, N: _T_size@weights, /, *, cached: bool = False) -> ndarray[tuple[_T_size@weights], dtype[floating[_64Bit]]]" (reportUnknownMemberType)

Type of "cov" is partially unknown   Type of "cov" is "Overload[(a: Unknown, r: _R@cov, /, axis: None = ..., dtype: dtype[_F@cov] | type[_F@cov] = np.float64, **kwds: Any) -> ndarray[tuple[_R@cov, _R@cov], dtype[_F@cov]], (a: Unknown, r: _R@cov, /, axis: int, dtype: dtype[_F@cov] | type[_F@cov] = np.float64, **kwds: Any) -> ndarray[tuple[_R@cov, _R@cov, *tuple[int, ...]], dtype[_F@cov]]]" (reportUnknownMemberType)

"np" is not exported from module ".typing" (reportPrivateLocalImportUsage)

Type of parameter "a" is partially unknown   Parameter type is "float | Unknown" (reportUnknownParameterType)

Type of "Float" is unknown (reportUnknownMemberType)

"Float" is not a known attribute of module "numpy" (reportAttributeAccessIssue)

Type of parameter "b" is partially unknown   Parameter type is "float | Unknown" (reportUnknownParameterType)

Type of "Float" is unknown (reportUnknownMemberType)

"Float" is not a known attribute of module "numpy" (reportAttributeAccessIssue)