CollInt: Fix NumPy deprecation warnings about np.bool
Since version 1.20, NumPy warns about the use of np.bool as an alias of
bool. Instead, the suggestion is to just use bool
as the type
specifier.
Since version 1.20, NumPy warns about the use of np.bool as an alias of
bool. Instead, the suggestion is to just use bool
as the type
specifier.