Cant Import Tenser flow python. : I cant import Tenserflow 
my gpu nvidia 940mx
python 3.6  

and installed oacages are .
absl-py (0.2.0)
astor (0.6.2)
bleach (1.5.0)
cycler (0.10.0)
gast (0.2.0)
grpcio (1.11.0)
html5lib (0.9999999)
kiwisolver (1.0.1)
Markdown (2.6.11)
matplotlib (2.2.2)
numpy (1.14.2)
opencv-python (3.4.0.12)
pip (9.0.3)
protobuf (3.5.2.post1)
pyparsing (2.2.0)
python-dateutil (2.7.2)
pytz (2018.4)
setuptools (39.0.1)
six (1.11.0)
tensorboard (1.7.0)
tensorflow-gpu (1.7.0)
termcolor (1.1.0)
Werkzeug (0.14.1)
wheel (0.31.0)

**Error is **

import tensorflow as tf
    Traceback (most recent call last):
      File "C:\Program Files\Python36\lib\site-packages\tensorflow\python\platform\self_check.py", line 75, in preload_check
        ctypes.WinDLL(build_info.cudart_dll_name)
      File "C:\Program Files\Python36\lib\ctypes\__init__.py", line 348, in __init__
        self._handle = _dlopen(self._name, mode)
    OSError: [WinError 126] The specified module could not be found
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "<stdin>", line 1, in <module>
      File "C:\Program Files\Python36\lib\site-packages\tensorflow\__init__.py", line 24, in <module>
        from tensorflow.python import *  # pylint: disable=redefined-builtin
      File "C:\Program Files\Python36\lib\site-packages\tensorflow\python\__init__.py", line 49, in <module>
        from tensorflow.python import pywrap_tensorflow
      File "C:\Program Files\Python36\lib\site-packages\tensorflow\python\pywrap_tensorflow.py", line 30, in <module>
        self_check.preload_check()
      File "C:\Program Files\Python36\lib\site-packages\tensorflow\python\platform\self_check.py", line 82, in preload_check
        % (build_info.cudart_dll_name, build_info.cuda_version_number))
    ImportError: Could not find 'cudart64_90.dll'. TensorFlow requires that this DLL be installed in a directory that is named in your %PATH% environment variable. Download and install CUDA 9.0 from this URL: https://developer.nvidia.com/cuda-toolkit`enter code here`