我無法導入 tensorflow

Question

我通過在 Windows 命令提示符下運行“pip install tensorflow”來安裝 tensorflow。

但是當我嘗試導入 tensorflow 並在其上運行一個簡單的程序時：

import tensorflow as tf

x1=tf.constant(5)
x2=tf.constant(6)

result=tf.multiply(x1,x2)
print(result)

我收到很多錯誤。

Traceback (most recent call last):   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 18, in swig_import_helper
    return importlib.import_module(mname)   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)   File "<frozen importlib._bootstrap>", line 986, in _gcd_import   File "<frozen importlib._bootstrap>", line 969, in _find_and_load   File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked  File "<frozen importlib._bootstrap>", line 666, in _load_unlocked   File "<frozen importlib._bootstrap>", line 577, in module_from_spec   File "<frozen importlib._bootstrap_external>", line 903, in create_module   File "<frozen importlib._bootstrap>", line 222, in
_call_with_frames_removed ImportError: DLL load failed: The specified module could not be found.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\__init__.py", line 66, in <module>
    from tensorflow.python import pywrap_tensorflow   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 21, in <module>
    _pywrap_tensorflow = swig_import_helper()   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 20, in swig_import_helper
    return importlib.import_module('_pywrap_tensorflow')   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level) ImportError: No module named '_pywrap_tensorflow'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):   File "C:/Users/hp/PycharmProjects/untitled/trial.py", line 1, in <module>
    import tensorflow as tf   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\__init__.py", line 24, in <module>
    from tensorflow.python import *   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\__init__.py", line 72, in <module>
    raise ImportError(msg) ImportError: Traceback (most recent call last):   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 18, in swig_import_helper
    return importlib.import_module(mname)   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)   File "<frozen importlib._bootstrap>", line 986, in _gcd_import   File "<frozen importlib._bootstrap>", line 969, in _find_and_load   File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked  File "<frozen importlib._bootstrap>", line 666, in _load_unlocked   File "<frozen importlib._bootstrap>", line 577, in module_from_spec   File "<frozen importlib._bootstrap_external>", line 903, in create_module   File "<frozen importlib._bootstrap>", line 222, in
_call_with_frames_removed ImportError: DLL load failed: The specified module could not be found.

During handling of the above exception, another exception occurred:

Traceback (most recent call last):   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\__init__.py", line 66, in <module>
    from tensorflow.python import pywrap_tensorflow   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 21, in <module>
    _pywrap_tensorflow = swig_import_helper()   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 20, in swig_import_helper
    return importlib.import_module('_pywrap_tensorflow')   File "C:\Users\hp\AppData\Local\Programs\Python\Python35\lib\importlib\__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level) ImportError: No module named '_pywrap_tensorflow'


Failed to load the native TensorFlow runtime.

See https://github.com/tensorflow/tensorflow/blob/master/tensorflow/g3doc/get_started/os_setup.md#import_error

for some common reasons and solutions.  Include the entire stack trace above this error message when asking for help.

並獲得以下錯誤

Answer 1

這些是可能的場景：

1. 您需要安裝 MSVC 2019 可再發行組件
2. 您的 CPU 不支持 AVX2 指令
3. 你的 CPU/Python 是 32 位的
4. 有一個庫位於不同的位置/未安裝在您的系統上，無法加載。