Restore is_complex_array signature and logic to match main

Author: Aniketsy

pandas/_libs/lib.pyx

@@ -176,6 +176,7 @@ def is_scalar(val: object) -> bool:
         - Fraction
         - Number.
 
+
     Returns
     -------
     bool
@@ -209,6 +210,13 @@ def is_scalar(val: object) -> bool:
     >>> from fractions import Fraction
     >>> pd.api.types.is_scalar(Fraction(3, 5))
     True
+
+    >>> from enum import Enum, auto
+    >>> class Thing(Enum):
+    ...     one = auto()
+    ...     two = auto()
+    >>> pd.api.types.is_scalar(Thing.one)
+    False
     """
 
     # Start with C-optimized checks
@@ -1974,9 +1982,11 @@ cdef class ComplexValidator(Validator):
         return cnp.PyDataType_ISCOMPLEX(self.dtype)
 
 
-cdef bint is_complex_array(ndarray values):
+cdef bint is_complex_array(ndarray values, bint skipna=True):
     cdef:
-        ComplexValidator validator = ComplexValidator(values.size, values.dtype)
+        ComplexValidator validator = ComplexValidator(values.size,
+                                                      values.dtype,
+                                                      skipna=skipna)
     return validator.validate(values)