tensorflow 线性回归

找不到错误在哪里
2022-11-04 23:56:13.408640: W tensorflow/stream_executor/platform/default/dso_loader.cc:64] Could not load dynamic library 'cudart64_110.dll'; dlerror: cudart64_110.dll not found
2022-11-04 23:56:13.408820: I tensorflow/stream_executor/cuda/cudart_stub.cc:29] Ignore above cudart dlerror if you do not have a GPU set up on your machine.
Traceback (most recent call last):
File "D:/python数据/数据采集及分析可视化/人工智能_5.py", line 20, in
w = tf.Variable(tf.random([1],-1.,1.),name='myw')
TypeError: 'module' object is not callable