BUG: Change form _can_hold_na to _can_hold_element for supporting non NA fill value

Author: Licht-T

pandas/core/internals.py

@@ -1442,7 +1442,7 @@ def func(cond, values, other):
                                  transpose=transpose)
             return self._maybe_downcast(blocks, 'infer')
 
-        if self._can_hold_na or self.ndim == 1:
+        if self._can_hold_element(fill_value) or self.ndim == 1:
 
             if transpose:
                 result = result.T