Update client.py

[911061873]

stream.read() 不是异步方法
不能await

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Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (b6aedb3) 82.17% compared to head (651f7ab) 82.13%.

❗ Current head 651f7ab differs from pull request most recent head 5be9b9e. Consider uploading reports for the commit 5be9b9e to get more accurate results

Files	Patch %	Lines
python/alibabacloud_tea_util/client.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #342      +/-   ##
============================================
- Coverage     82.17%   82.13%   -0.04%     
- Complexity      224      225       +1     
============================================
  Files            21       21              
  Lines          2059     2060       +1     
  Branches         97       97              
============================================
  Hits           1692     1692              
- Misses          350      351       +1     
  Partials         17       17              

Flag	Coverage Δ
csharp	97.97% <ø> (ø)
golang	95.48% <ø> (ø)
java	67.85% <ø> (ø)
php	0.00% <ø> (ø)
python	99.39% <0.00%> (ø)
ts	96.22% <ø> (ø)

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