Conditional Null filling by checking if pyarrow is availble or now

Author: Tarun2605

pandas/core/arrays/arrow/array.py

@@ -17,7 +17,6 @@
 import warnings
 
 import numpy as np
-import pyarrow.compute as pc
 
 from pandas._libs import lib
 from pandas._libs.tslibs import (
@@ -921,8 +920,9 @@ def _evaluate_op_method(self, other, op, arrow_funcs) -> Self:
             raise NotImplementedError(f"{op.__name__} not implemented.")
 
         try:
-            other = pc.fill_null(other, False)
-            self._pa_array = pc.fill_null(self._pa_array, False)
+            if HAS_PYARROW:
+                other = pc.fill_null(other, False)
+                self._pa_array = pc.fill_null(self._pa_array, False)
             result = pc_func(self._pa_array, other)
         except pa.ArrowNotImplementedError as err:
             raise TypeError(self._op_method_error_message(other_original, op)) from err