changes in series.py

Author: rushabh-v

pandas/core/series.py

@@ -2586,9 +2586,12 @@ def combine(self, other, func, fill_value=None):
         if is_categorical_dtype(self.values):
             pass
         elif is_extension_array_dtype(self.values):
-            # The function can return something of any type, so check
-            # if the type is compatible with the calling EA.
-            new_values = try_cast_to_ea(self._values, new_values)
+            if len(new_values)>0:
+                if not is_bool(new_values[0]):
+                    # The function can return something of any type, so check
+                    # if the type is compatible with the calling EA.
+                    new_values = try_cast_to_ea(self._values, new_values)
+                    
         return self._constructor(new_values, index=new_index, name=new_name)
 
     def combine_first(self, other):