script name typo fix
script name typo fix

Typo in:

'''
... can be executed. Let’s create the udf/before_people.py script and a udf/ext_people.py Python script:
'''

`before_people.py` -> `before_people.sh`.
gaapt/deepdive,Gela/deepdive,sky-xu/deepdive,shahin/deepdive,topojoy/deepdive,closedLoop/deepdive,infinitespace/deepdive,closedLoop/deepdive,wgapl/deepdive,topojoy/deepdive,zifeishan/deepdive,sai16vicky/deepdive,AlexisBRENON/deepdive,infinitespace/deepdive,Atlas7/deepdive,gaapt/deepdive,AlexisBRENON/deepdive,RTsWorld/deepdive,topojoy/deepdive,topojoy/deepdive,nvoron23/deepdive,maalmeida1837/deepdive,zifeishan/deepdive,feiranwang/deepdive,sai16vicky/deepdive,AlexisBRENON/deepdive,AlexisBRENON/deepdive,zifeishan/deepdive,vasyvas/deepdive,closedLoop/deepdive,vasyvas/deepdive,HazyResearch/deepdive,RTsWorld/deepdive,nvoron23/deepdive,wgapl/deepdive,Gela/deepdive,Atlas7/deepdive,RTsWorld/deepdive,maalmeida1837/deepdive,gaapt/deepdive,Atlas7/deepdive,HazyResearch/deepdive,kod3r/deepdive,wgapl/deepdive,sai16vicky/deepdive,wgapl/deepdive,sai16vicky/deepdive,vsoch/deepdive,feiranwang/deepdive,topojoy/deepdive,gaapt/deepdive,feiranwang/deepdive,sky-xu/deepdive,vsoch/deepdive,nvoron23/deepdive,Atlas7/deepdive,zifeishan/deepdive,Gela/deepdive,maalmeida1837/deepdive,infinitespace/deepdive,gaapt/deepdive,sai16vicky/deepdive,Gela/deepdive,infinitespace/deepdive,infinitespace/deepdive,gaapt/deepdive,nvoron23/deepdive,RTsWorld/deepdive,kod3r/deepdive,closedLoop/deepdive,nvoron23/deepdive,kod3r/deepdive,HazyResearch/deepdive,shahin/deepdive,vsoch/deepdive,Gela/deepdive,vasyvas/deepdive,vsoch/deepdive,Atlas7/deepdive,vasyvas/deepdive,kod3r/deepdive,feiranwang/deepdive,vasyvas/deepdive,closedLoop/deepdive,maalmeida1837/deepdive,infinitespace/deepdive,kod3r/deepdive,maalmeida1837/deepdive,zifeishan/deepdive,wgapl/deepdive,AlexisBRENON/deepdive,vsoch/deepdive,RTsWorld/deepdive,HazyResearch/deepdive