what is version of tensorflow

[YellowLight021]

File "E:\myreading\trick\face-detection-tflite\demo.py", line 1, in
from fdlite import FaceDetection, FaceDetectionModel
File "E:\myreading\trick\face-detection-tflite\fdlite_init_.py", line 5, in
from .face_detection import FaceDetection, FaceDetectionModel # noqa:F401
File "E:\myreading\trick\face-detection-tflite\fdlite\face_detection.py", line 21, in
import tensorflow as tf
File "D:\ProgramData\Anaconda3\envs\tflite\lib\site-packages\tensorflow_init_.py", line 47, in
from tensorflow.api.v2 import internal
File "D:\ProgramData\Anaconda3\envs\tflite\lib\site-packages\tensorflow_api\v2_internal_init_.py", line 8, in
from tensorflow.api.v2.internal import autograph
File "D:\ProgramData\Anaconda3\envs\tflite\lib\site-packages\tensorflow_api\v2_internal\autograph_init_.py", line 8, in
from tensorflow.python.autograph.core.ag_ctx import control_status_ctx # line: 34
File "D:\ProgramData\Anaconda3\envs\tflite\lib\site-packages\tensorflow\python\autograph\core\ag_ctx.py", line 21, in
from tensorflow.python.autograph.utils import ag_logging
File "D:\ProgramData\Anaconda3\envs\tflite\lib\site-packages\tensorflow\python\autograph\utils_init_.py", line 17, in
from tensorflow.python.autograph.utils.context_managers import control_dependency_on_returns
File "D:\ProgramData\Anaconda3\envs\tflite\lib\site-packages\tensorflow\python\autograph\utils\context_managers.py", line 19, in
from tensorflow.python.framework import ops
File "D:\ProgramData\Anaconda3\envs\tflite\lib\site-packages\tensorflow\python\framework\ops.py", line 5906, in
) -> Optional[Callable[[Any], message.Message]]:
File "D:\ProgramData\Anaconda3\envs\tflite\lib\typing.py", line 243, in inner
return func(*args, **kwds)
File "D:\ProgramData\Anaconda3\envs\tflite\lib\typing.py", line 316, in getitem
return self._getitem(self, parameters)
File "D:\ProgramData\Anaconda3\envs\tflite\lib\typing.py", line 433, in Optional
return Union[arg, type(None)]
File "D:\ProgramData\Anaconda3\envs\tflite\lib\typing.py", line 243, in inner
return func(*args, **kwds)
File "D:\ProgramData\Anaconda3\envs\tflite\lib\typing.py", line 316, in getitem
return self._getitem(self, parameters)
File "D:\ProgramData\Anaconda3\envs\tflite\lib\typing.py", line 421, in Union
parameters = _remove_dups_flatten(parameters)
File "D:\ProgramData\Anaconda3\envs\tflite\lib\typing.py", line 215, in _remove_dups_flatten
all_params = set(params)
TypeError: unhashable type: 'list'