[SPARK-23698][PYTHON][FOLLOWUP] Resolve undefiend names in setup.py
[SPARK-23698][PYTHON][FOLLOWUP] Resolve undefiend names in setup.py

## What changes were proposed in this pull request?

`__version__` in `setup.py` is currently being dynamically read by `exec`; so the linter complains. Better just switch it off for this line for now.

**Before:**

```bash
$ python -m flake8 . --count --select=E9,F82 --show-source --statistics
./setup.py:37:11: F821 undefined name '__version__'
VERSION = __version__
          ^
1     F821 undefined name '__version__'
1
```

**After:**

```bash
$ python -m flake8 . --count --select=E9,F82 --show-source --statistics
0
```

## How was this patch tested?

Manually tested.

Closes #22235 from HyukjinKwon/SPARK-23698.

Authored-by: hyukjinkwon <2680965ad5aae29275c8fb10150cb10f5554e78b@apache.org>
Signed-off-by: hyukjinkwon <2680965ad5aae29275c8fb10150cb10f5554e78b@apache.org>

jiangxb1987/spark,Aegeaner/spark,xuanyuanking/spark,xuanyuanking/spark,srowen/spark,rekhajoshm/spark,WindCanDie/spark,yanboliang/spark,guoxiaolongzte/spark,wzhfy/spark,nchammas/spark,chuckchen/spark,WeichenXu123/spark,lvdongr/spark,zhouyejoe/spark,wzhfy/spark,cloud-fan/spark,hhbyyh/spark,kiszk/spark,xuanyuanking/spark,HyukjinKwon/spark,wangyum/spark,srowen/spark,spark-test/spark,techaddict/spark,techaddict/spark,gengliangwang/spark,wzhfy/spark,jiangxb1987/spark,kevinyu98/spark,michalsenkyr/spark,spark-test/spark,WindCanDie/spark,srowen/spark,goldmedal/spark,ueshin/apache-spark,mdespriee/spark,holdenk/spark,LantaoJin/spark,Aegeaner/spark,kevinyu98/spark,xuanyuanking/spark,aosagie/spark,WeichenXu123/spark,rekhajoshm/spark,shaneknapp/spark,wangmiao1981/spark,vinodkc/spark,vinodkc/spark,skonto/spark,dongjoon-hyun/spark,lvdongr/spark,Aegeaner/spark,aosagie/spark,caneGuy/spark,techaddict/spark,rezasafi/spark,wzhfy/spark,yanboliang/spark,mdespriee/spark,actuaryzhang/spark,highfei2011/spark,WeichenXu123/spark,ahnqirage/spark,hhbyyh/spark,WeichenXu123/spark,JoshRosen/spark,ptkool/spark,spark-test/spark,rezasafi/spark,wangyum/spark,LantaoJin/spark,yanboliang/spark,ptkool/spark,michalsenkyr/spark,goldmedal/spark,milliman/spark,srowen/spark,apache/spark,skonto/spark,dbtsai/spark,HyukjinKwon/spark,spark-test/spark,mdespriee/spark,rekhajoshm/spark,HyukjinKwon/spark,apache/spark,lvdongr/spark,rezasafi/spark,mahak/spark,ConeyLiu/spark,shaneknapp/spark,ueshin/apache-spark,BryanCutler/spark,wangmiao1981/spark,srowen/spark,hhbyyh/spark,zuotingbing/spark,yanboliang/spark,ueshin/apache-spark,guoxiaolongzte/spark,witgo/spark,zhouyejoe/spark,facaiy/spark,WindCanDie/spark,witgo/spark,sahilTakiar/spark,zuotingbing/spark,zero323/spark,wangyum/spark,zzcclp/spark,witgo/spark,wangmiao1981/spark,aosagie/spark,zzcclp/spark,skonto/spark,chuckchen/spark,nchammas/spark,darionyaphet/spark,JoshRosen/spark,sahilTakiar/spark,rednaxelafx/apache-spark,matthewfranglen/spark,lvdongr/spark,dongjoon-hyun/spark,ConeyLiu/spark,BryanCutler/spark,kevinyu98/spark,kevinyu98/spark,techaddict/spark,skonto/spark,caneGuy/spark,rezasafi/spark,skonto/spark,ahnqirage/spark,maropu/spark,gengliangwang/spark,BryanCutler/spark,kiszk/spark,witgo/spark,shuangshuangwang/spark,aosagie/spark,facaiy/spark,lvdongr/spark,pgandhi999/spark,bdrillard/spark,icexelloss/spark,chuckchen/spark,zuotingbing/spark,techaddict/spark,taroplus/spark,HyukjinKwon/spark,caneGuy/spark,nchammas/spark,kevinyu98/spark,hhbyyh/spark,cloud-fan/spark,actuaryzhang/spark,caneGuy/spark,sahilTakiar/spark,darionyaphet/spark,hvanhovell/spark,actuaryzhang/spark,WeichenXu123/spark,HyukjinKwon/spark,kiszk/spark,taroplus/spark,bdrillard/spark,guoxiaolongzte/spark,apache/spark,vinodkc/spark,kevinyu98/spark,apache/spark,rekhajoshm/spark,icexelloss/spark,wangyum/spark,srowen/spark,michalsenkyr/spark,caneGuy/spark,rekhajoshm/spark,jkbradley/spark,maropu/spark,LantaoJin/spark,lvdongr/spark,pgandhi999/spark,aosagie/spark,guoxiaolongzte/spark,milliman/spark,holdenk/spark,wzhfy/spark,shuangshuangwang/spark,zhouyejoe/spark,aosagie/spark,facaiy/spark,goldmedal/spark,xuanyuanking/spark,bdrillard/spark,hhbyyh/spark,taroplus/spark,sahilTakiar/spark,rednaxelafx/apache-spark,dongjoon-hyun/spark,jiangxb1987/spark,Aegeaner/spark,goldmedal/spark,dbtsai/spark,caneGuy/spark,zero323/spark,nchammas/spark,JoshRosen/spark,zhouyejoe/spark,shuangshuangwang/spark,sahilTakiar/spark,WindCanDie/spark,yanboliang/spark,dbtsai/spark,actuaryzhang/spark,icexelloss/spark,wangyum/spark,ConeyLiu/spark,aosagie/spark,ptkool/spark,WindCanDie/spark,hvanhovell/spark,ptkool/spark,chuckchen/spark,mdespriee/spark,srowen/spark,WeichenXu123/spark,apache/spark,witgo/spark,highfei2011/spark,cloud-fan/spark,darionyaphet/spark,hvanhovell/spark,BryanCutler/spark,vinodkc/spark,zzcclp/spark,actuaryzhang/spark,jiangxb1987/spark,zzcclp/spark,xuanyuanking/spark,chuckchen/spark,gengliangwang/spark,zuotingbing/spark,wzhfy/spark,shuangshuangwang/spark,highfei2011/spark,taroplus/spark,wzhfy/spark,jkbradley/spark,actuaryzhang/spark,BryanCutler/spark,holdenk/spark,skonto/spark,ptkool/spark,wangmiao1981/spark,highfei2011/spark,rednaxelafx/apache-spark,icexelloss/spark,jkbradley/spark,milliman/spark,guoxiaolongzte/spark,hvanhovell/spark,darionyaphet/spark,bdrillard/spark,zuotingbing/spark,jiangxb1987/spark,mahak/spark,jkbradley/spark,dongjoon-hyun/spark,zero323/spark,dbtsai/spark,ConeyLiu/spark,cloud-fan/spark,rezasafi/spark,shuangshuangwang/spark,michalsenkyr/spark,maropu/spark,nchammas/spark,ptkool/spark,mdespriee/spark,yanboliang/spark,jiangxb1987/spark,rezasafi/spark,ahnqirage/spark,michalsenkyr/spark,yanboliang/spark,WindCanDie/spark,taroplus/spark,mdespriee/spark,ahnqirage/spark,shaneknapp/spark,zuotingbing/spark,ueshin/apache-spark,zero323/spark,mahak/spark,Aegeaner/spark,zhouyejoe/spark,michalsenkyr/spark,wangmiao1981/spark,bdrillard/spark,LantaoJin/spark,pgandhi999/spark,ptkool/spark,maropu/spark,jiangxb1987/spark,dbtsai/spark,chuckchen/spark,HyukjinKwon/spark,tarop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