tensorflow-gpu安装遇到的坑

tensorflow-gpu安装好导入，一直出现以下错误

折腾了好久。

错误之前也按照中国官网安装及配置各环境变量：https://tensorflow.google.cn/install/gpu

其次基于anaconda+Python3.7安装tensorflow_gpu-2.2.0-cp37也安装成功。

但import tensorflow as tf总出现以下错误。

ImportError                               Traceback (most recent call last)
D:\soft\anaconda3\lib\site-packages\tensorflow\python\pywrap_tensorflow.py in <module>
     57
---> 58   from tensorflow.python.pywrap_tensorflow_internal import *
     59 

D:\soft\anaconda3\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py in <module>
     27             return _mod
---> 28     _pywrap_tensorflow_internal = swig_import_helper()
     29     del swig_import_helper

D:\soft\anaconda3\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py in swig_import_helper()
     23             try:
---> 24                 _mod = imp.load_module('_pywrap_tensorflow_internal', fp, pathname, description)
     25             finally:

D:\soft\anaconda3\lib\imp.py in load_module(name, file, filename, details)
    241         else:
--> 242             return load_dynamic(name, filename, file)
    243     elif type_ == PKG_DIRECTORY:

D:\soft\anaconda3\lib\imp.py in load_dynamic(name, path, file)
    341             name=name, loader=loader, origin=path)
--> 342         return _load(spec)
    343 

ImportError: DLL load failed: 找不到指定的模块。

During handling of the above exception, another exception occurred:

ImportError                               Traceback (most recent call last)
<ipython-input-1-64156d691fe5> in <module>
----> 1 import tensorflow as tf

D:\soft\anaconda3\lib\site-packages\tensorflow\__init__.py in <module>
     39 import sys as _sys
     40
---> 41 from tensorflow.python.tools import module_util as _module_util
     42 from tensorflow.python.util.lazy_loader import LazyLoader as _LazyLoader
     43 

D:\soft\anaconda3\lib\site-packages\tensorflow\python\__init__.py in <module>
     48 import numpy as np
     49
---> 50 from tensorflow.python import pywrap_tensorflow
     51
     52 # Protocol buffers

D:\soft\anaconda3\lib\site-packages\tensorflow\python\pywrap_tensorflow.py in <module>
     67 for some common reasons and solutions.  Include the entire stack trace
     68 above this error message when asking for help.""" % traceback.format_exc()
---> 69   raise ImportError(msg)
     70
     71 # pylint: enable=wildcard-import,g-import-not-at-top,unused-import,line-too-long

ImportError: Traceback (most recent call last):
  File "D:\soft\anaconda3\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 58, in <module>
    from tensorflow.python.pywrap_tensorflow_internal import *
  File "D:\soft\anaconda3\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 28, in <module>
    _pywrap_tensorflow_internal = swig_import_helper()
  File "D:\soft\anaconda3\lib\site-packages\tensorflow\python\pywrap_tensorflow_internal.py", line 24, in swig_import_helper
    _mod = imp.load_module('_pywrap_tensorflow_internal', fp, pathname, description)
  File "D:\soft\anaconda3\lib\imp.py", line 242, in load_module
    return load_dynamic(name, filename, file)
  File "D:\soft\anaconda3\lib\imp.py", line 342, in load_dynamic
    return _load(spec)
ImportError: DLL load failed: 找不到指定的模块。

Failed to load the native TensorFlow runtime.

See https://www.tensorflow.org/install/errors

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

解决方法：

卸载。换版本，pip install tensorflow-gpu==1.15.0

成功：