Merge https://github.com/google/adk-python/pull/869
How to reproduce the error:
```
from google.adk.code_executors import UnsafeLocalCodeExecutor
from google.adk.code_executors.code_execution_utils import CodeExecutionInput
result = UnsafeLocalCodeExecutor().execute_code(
invocation_context=None,
code_execution_input=CodeExecutionInput(
code='''
import math
def pi():
return math.pi
print(pi())
'''
)
)
print(result)
```
output:
```
CodeExecutionResult(stdout='', stderr="name 'math' is not defined", output_files=[])
```
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/adk-python/pull/869 from qieqieplus:main 63f557bbd3b7aa5c2801f5cc9e022d3364177308
PiperOrigin-RevId: 787145189